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7 hours ago Quora.com Show details ^{}

Answer (1 of 2): **There are** number of passive components **that do not obey ohm**'s **law**- 1. Thermistors 2. Varistors 3. Light dependent resistors 4. Temperature dependent resistors 5. Varicaps LED , saturable reactors , active components like diodes and semiconductor **devices** also are out of perview o

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6 hours ago Chegg.com Show details ^{}

A **device** that doesn't **obey Ohm**'s **law** is a a. copper wire b. silver bar c. light bulb d. resistor; Question: A **device** that doesn't **obey Ohm**'s **law** is a a. copper wire b. silver bar c. light bulb d. resistor. This problem has been solved! See the answer See the answer See the answer done loading.

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9 hours ago Faculty.washington.edu Show details ^{}

**Ohm’s Law** for parallel and series circuits 3.7) In Lab #2 we learned that the voltage from the power supply (V) is equal to the current through the circuit (I) times the resistance of the circuit (R), in this case either a single light bulb or multiple light bulbs. Now let’s figure out how to …

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Just Now Quora.com Show details ^{}

Answer (1 of 3): **Ohm’s Law** does **not** apply to **ANY** material - for some conditions. For instance, if you use copper wire and drive enough current to produce significant self-heating, the ratio of voltage to current will change with changing voltage or current. Drive **any** conductor hard enough to va

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4 hours ago Answers.com Show details ^{}

All **devices** follow **Ohm**'s **Law**. It a matter of perspective, and realizing that some **devices do not** present constant resistance to a circuit. You can determine the resistance of a non-linear **device**

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4 hours ago Physics.stackexchange.com Show details ^{}

does this mean that **Ohm**'s **law** just fails in this case. **Ohm**'s **law** is **not** universal. The ideal resistor circuit element is defined by **Ohm**'s **law** but **not** all circuit elements **obey Ohm**'s **law**; **Ohm**'s **law** only applies to ohmic **devices**.. Physical resistors and conductors approximately **obey Ohm**'s **law** but, for example, semiconductor diodes, transistors, thyristors, solar cells, vacuum tubes, batteries

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8 hours ago Reddit.com Show details ^{}

I know this sounds like a silly question, but my teacher is adamant that non-ohmic resistors still **obey ohms law** because although an non-ohmic resistor does **not** follow a linear function if one was to take two points of that curve you would still be able to find the resistance at that point using **ohms law**.

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2 hours ago Faq-law.com Show details ^{}

**Ohm**'s **law** graph (verifying **Ohm**'s **law**) (video) Khan Academy. 8 hours ago Khanacademy.org Show details . let's explore how we can practically verify whether **any** material obeys **Ohm**'s **law** now before we **do** that let's quickly recall what **Ohm**'s **law** is almost all says that if you take **any** material like let's say windings of a wire and if we apply a potential difference across the ends of that so let's

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2 hours ago Quora.com Show details ^{}

Answer (1 of 8): I think a semiconductor material does **obey Ohm’s Law**. This of course includes the requirement of constant temperature. Semiconductor **devices** dont **obey Ohm’s law** because of what happens at the junctions. **There** art two types of semiconductor labelled as p and n. The p types have

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2 hours ago Professorelectron.com Show details ^{}

And it’s **NOT** just tungsten that doesn’t **obey Ohm’s Law**. **Any** metal whose resistance is affected by temperature will **not obey Ohm’s Law**! And most electronic **devices do not** ‘**obey**’ **Ohm’s Law**, either. Take the following characteristic curve (operating curve) for a tunnel diode, as an extreme example: Between points A-B, the graph is a

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3 hours ago Electronics.stackexchange.com Show details ^{}

**Ohm**'s **law** applies to resistance. All resistive aspects of a **device** will behave according to **OHm**'s **law**. If you invert your question you see that every thing that behaves according to **Ohm**'s **law** must be a resistor. **There** is only so much that one can **do** with pure resistance. So logically the anything that doesn't behave according to **ohms law** isn't

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9 hours ago Ohmslawcalculator.com Show details ^{}

Simple to use **Ohm**'s **Law** Calculator. Calculate Power, Current, Voltage or Resistance. Just enter 2 known values and the calculator will solve for the others.

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1 hours ago Toppr.com Show details ^{}

(b) Is **Ohms law** universally applicable for all conducting elements?If **not**, give examples of elements which **do not obey Ohms law**. (c) A low voltage supply from which one needs high currents must have very low internal resistance.

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2 hours ago Faq-law.com Show details ^{}

The Ohmic Region of a Lightbulb Harvey Mudd … Just Now Cs.hmc.edu Show details . While a light bulb does **not obey Ohm’s law** at high currents, **there** is a theoretical ohmic region at low currents. The resistance of the lightbulb at room temperature, R 0, was calculated to be 5:13 0:10 Metals should behave in accordance to **Ohm’s law**, as long as their temperature is held the same.

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6 hours ago Ohmlaw.com Show details ^{}

**Ohm’s Law** Quiz MCQs with Answers. **Ohms law** quiz is a simple test designed for you to test your knowledge of **Ohm’s Law**. 1. The statement which correctly represents **Ohm’s law**: Correct answer: 1. V = IR. 2. A 10 **ohms** resistor is powered by a 5 …

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5 hours ago Byjus.com Show details ^{}

**Ohm’s Law** Solved Problems. Example 1: If the resistance of an electric iron is 50 Ω and a current of 3.2 A flows through the resistance. Find the voltage between two points. Solution: If we are asked to calculate the value of voltage with the value of current and …

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8 hours ago Answers.com Show details ^{}

**Ohm**'s **Law** isn't a universal **law**; in fact, most materials and circuit **devices do not obey Ohm**'s **Law**, and tungsten, from which lamp filaments are manufactured, is an example of a metal that does **not**

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1 hours ago Electronicspoint.com Show details ^{}

The reactance model only works at a constant frequency, so even **there** it is **not** a universal **law**, it cannot be applied at all to changing, non-repetetive waveform. **Ohm**'s **law** is universal **law** that states the dependence of voltage and current in an ideal resistor. To call anything else **Ohm**'s **law** is to redefine **Ohm**'s **law**.

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6 hours ago Thestudentroom.co.uk Show details ^{}

Thermistors **obey ohms law**, as **ohms law** states under fixed physical conditions . I.E temperature, at fixed temperature thermistors act as metal resistors. Metallic resistors are in the definition of **ohms law** so they **obey** it. Diodes **do not obey ohms law** as they produce dodgy graphs, as they only allow current to flow in one direction at something

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8 hours ago Theengineeringprojects.com Show details ^{}

**There** are numerous substances which **do not** follow **Ohm’s** findings is known as non-ohmic like semiconductor **devices** diodes, transistors, and bulb filament. A component which follows **ohm’s Law** is known as the ohmic like Aluminium, Copper, etc.

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6 hours ago Askiitians.com Show details ^{}

Limitations of **Ohm’s Law**. Although **Ohm’s law** is an important principle in the field of electronics, it cannot be considered as an actual physical **law**. We know that as per **ohm’s law** voltage / current = a constant and that constant is the resistance. But the resistance does **not** remain constant all the time.

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4 hours ago Faq-law.com Show details ^{}

**Ohm**'s **law** Wikipedia, the **free** encyclopedia. 2 hours ago Cb3.unl.edu Show details . above 10 megaohms, is a poor conductor, while a resistor with a low value, say below 0.1 **ohm**, is a good conductor.(Insulators are electrical **devices** that, for most practical purposes, **do not** allow a current to flow **Ohm**'s **law** - Wikipedia, the **free**. Show more. Show

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9 hours ago Ohmlaw.com Show details ^{}

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4 hours ago Coursehero.com Show details ^{}

(d) Circle the only graph shown below that depicts a proportional relationship. 2. Activity-Based Questions In this section, you will work with a Logger Pro file entitled <OhmsLaw.cmbl>. To see it, launch Logger Pro version 3.12. File - Open-_Physics with Video Analysis -28 **Ohms Law**-OhmsLaw.cmbl. In this LoggerPro file you can enter meter readings shown in two movies. The first movie shows

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1 hours ago Forum.allaboutcircuits.com Show details ^{}

**There** are a host of other **devices** out **there** that also **do not** follow **OHm**'s **Law** directly. Another good example is the silicon diode. For **devices** like this the apparent resistance changes with the DC operating point. As the complexity of the **device** increases, the less likely it is to follow **Ohm**'s **Law**. So unfortunately **not** everything follows **Ohm**'s **Law**.

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9 hours ago Researchgate.net Show details ^{}

Having said that, the ratio of voltage to current will always tell you what the resistance of a **device devices**, such as diodes, electrolytes, and gases are all non-linear and **do not obey Ohm**'s **Law**.

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4 hours ago Electronics.stackexchange.com Show details ^{}

**Ohm**'s **law** is an assertion that the current through a **device** is always directly proportional to the potential difference applied to the **device**. (This assertion is correct only in certain situations; still, for historical reasons, the term "**law**" is used.) The **device** of [] which turns out to be a 1000 **ohm** resistor -- obeys **Ohm**'s **law**.

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4 hours ago Answers.com Show details ^{}

**Ohms law** is a **law**; all conductors must **obey** it. A simple form of **ohm**'s **law** is V = I / R. The only control a conductor has on this equation is in the 'R'. Super conductors, for example, have a

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3 hours ago Spiff.rit.edu Show details ^{}

In some materials, the amount of current depends linearly on the voltage across a material; such materials **obey Ohm**'s **Law**: I ----- = const or V = IR V. where R is the resistance of the material. However, many materials **do NOT obey Ohm**'s **Law** -- it is **not** universal. Viewgraph 1.

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7 hours ago Physics.smu.edu Show details ^{}

**OHM**'S **LAW** a condition of some materials where the resistance is constant regardless of the voltage applied across the **device**. For materials that **obey Ohm**'s **Law** (some **do not**), a plot of voltage vs. current yields a straight line whose slope is the resistance of the material.

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Just Now Microsoft.com Show details ^{}

**Ohm**'s **Law Free**. **Ohm**'s **Law** calculator allows you to calculate for Current, Resistance, Power and Voltage. Enter two known variables and the unknown variable will be calculated for you. Version 3.2 - Bug Fixes - Update results with the enter key - Designed for Windows 10.

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3 hours ago Reddit.com Show details ^{}

**There** are also materials that just simply don't **obey Ohm**'s **Law** even under a weak electric field (e.g., semiconductors), and they are said to be non-ohmic. Also note that if you are measuring resistance in a lab and **not** controlling for joule heating, you will find that V is **not** a linear function of I simply because the resistance (say, of a bulb

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7 hours ago Web.pa.msu.edu Show details ^{}

**Ohm’s law**. According to **Ohm’s law**, **there** is a linear relationship between the voltage drop across a circuit element and the current ﬂowing through it. Therefore the resistance R is viewed as a constant independent of the voltage and the current. In equation form, **Ohm’s law** is: V = IR. (2.1)

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1 hours ago Quizlet.com Show details ^{}

1 Amp. A **device** that doesn't **obey Ohm**'s **law**. Light bulb: changes depending on current. If a wire is wider Lower resistance. If a wire is longer Higher resistance. **Device** obeying **ohm**'s **law** must have resistance that: Is constant.

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6 hours ago En.wikipedia.org Show details ^{}

**Ohm**'s **law** states that the current through a conductor between two points is directly proportional to the voltage across the two points. Introducing the constant of proportionality, the resistance, one arrives at the usual mathematical equation that describes this relationship: =, where I is the current through the conductor in units of amperes, V is the voltage measured across the conductor in

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6 hours ago Toppr.com Show details ^{}

**Ohm’s law** of current electricity states that the current flowing in a conductor is directly proportional to the potential difference across its ends provided the physical conditions and temperature of the conductor remains constant. where V= voltage, I= current and R= resistance. The SI unit of resistance is **ohms** …

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6 hours ago Byjus.com Show details ^{}

**Ohm’s law** Limitations. **There** are some limitations to **Ohm’s law**. They are as follows: **Ohm’s law** is an empirical **law** which is found true for maximum experiments but **not** for all. Some materials are non-ohmic under a weak electric field. **Ohm’s law** holds true only for a conductor at a constant temperature. Resistivity changes with temperature.

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2 hours ago Thoughtco.com Show details ^{}

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3 hours ago Electronicspoint.com Show details ^{}

The. relationship between voltage and current is a property of the **device**. or material being measured. Metals happen to have an extremely linear. voltage-current function, so that if a resistor is made from a. metallic element, it will **obey Ohm**'s **Law**. Why metals behave this way is covered in an elementary solid state.

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**Posted in**: Property Law

9 hours ago Electronics.stackexchange.com Show details ^{}

You use **Ohm**'s **Law** to calculate the voltage drop from 5V to 1.5V @0.8A is 4.375 **ohm**, but you can't say for sure the load is linear at 1.875, but at least you are given one operating point. Thus the sensitivity with changes in R or 5V will **not** be linear with a non-linear such as a 1.5V motor or a 1.2V IR LED. **Ohm**'s **Law** works for linear components

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8 hours ago E-cigarette-forum.com Show details ^{}

**Ohm**'s **law** states that the current (amperage) through an electrical conductor between two points is directly proportional to the voltage, and inversely proportional to the resistance (**ohms**). The equation is as follows: I = V/R, where I = current, V = voltage, and R = resistance. This says that Amps = Volts / **Ohms**.

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Just Now Learn.sparkfun.com Show details ^{}

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5 hours ago Academia.edu Show details ^{}

Download **Free** PDF. Download **Free** PDF. Student Manual for The Art of Electronics. ปิโยรส ขอนดอก

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In some materials, the amount of current depends linearly on the voltage across a material; such materials obey Ohm's Law: I ----- = const or V = IR V where R is the resistance of the material. However, many materials do NOT obey Ohm's Law -- it is not universal.

Ohm’s Law, then, is by no means a ‘universal’ law! Not many circuits or electronic components actually ‘obey’ Ohm’s Law! The equation, described above, does not, in fact, represent Ohm’s Law at all, but is derived from the definition of the ohm! So the above definition is quite incorrect! So, what is the accepted definition of Ohm’s Law?

Ohm’s law doesn’t apply to semiconducting devices because they are nonlinear devices. This means that the ratio of voltage to current doesn’t remain constant for variations in voltage. When does Ohm’s law fail? Ohm’s law fails to explain the behaviour of semiconductors and unilateral devices such as diodes.

Ohm's Law Calculator Voltage (V) = Current (I) * Resistance (R) Power (P) = Voltage (V) * Current (I) Enter any two known values and press "Calculate" to solve for the others.

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