Guidelines

Is there resistance in an inductor?

Is there resistance in an inductor?

Impedance of an inductor The resistance of an ideal inductor is zero. The reactance of an ideal inductor, and therefore its impedance, is positive for all frequency and inductance values.

Can you have an inductor without any resistance?

No, as every material has some resistance.

Why does an inductor have no resistance?

This is due to the fact that the inductor is made of a conducting material such as copper which has some resistance. It means the inductor is an ideal one. Only ideal inductor has zero resistance.

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What is the resistance of the inductive coil?

An inductive coil has resistance of 100Ω. When an ac signal of frequency 1000 Hz is fed to the coil, the applied voltage leads the current by 45∘.

How do you find the internal resistance of an inductor?

In both cases, the value of resistance can be found out using R=V/I when the appropriate dc source is connected. It means the inductor is an ideal one. Only ideal inductor has zero resistance.

How do you convert inductance to resistance?

To convert to Henries, you would divide the number of micro-Henries by 1,000,000. Calculate reactance, in ohms, by using the formula: Reactance = 2 * pi * Frequency * Inductance.

Does every coil contain some resistance?

All electrical coils, relays, solenoids and transformers will have a certain amount of resistance no matter how small associated with the coil turns of wire being used.

How is an ideal inductor obtained?

An inductor is called an ideal inductor when there is no resistance and only inductance such that there is no power dissipated within the coil. Stay tuned with BYJU’S to learn more about other concepts such as types of inductor.

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How do you find the resistance of an inductor?

The opposition of an inductor to a change in current is expressed as a type of AC resistance. I=VXL I = V X L , where V is the rms voltage across the inductor.

What is the resistance offered by a pure inductor for DC?

Assertion: The resistance offered by an inductor in a d.c circuit is always constant. Reason : The resistance of inductor in steady state is non-zero.

What is an inductor coil?

An inductor, also called a coil, choke, or reactor, is a passive two-terminal electrical component that stores energy in a magnetic field when electric current flows through it. An inductor typically consists of an insulated wire wound into a coil.