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Questions and Answers
What is the primary use of an inductor?
What is the primary use of an inductor?
- Amplifying signals
- Rectifying currents
- Filtering (correct)
- Oscillating circuits
What is the unit of inductance?
What is the unit of inductance?
- Ampere
- Ohm
- Henry (correct)
- Farad
What happens when the current through an inductor is switched?
What happens when the current through an inductor is switched?
- The induced EMF is produced in the same direction
- The magnetic field strengthens
- The induced EMF is produced in the opposite direction (correct)
- The current remains unchanged
What is the purpose of the induced EMF in an inductor?
What is the purpose of the induced EMF in an inductor?
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How is the value of an inductor usually indicated?
How is the value of an inductor usually indicated?
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What is the meaning of a fourth silver band on an inductor?
What is the meaning of a fourth silver band on an inductor?
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What is the characteristic of a device that resists change in the current through it?
What is the characteristic of a device that resists change in the current through it?
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What is the principle behind the operation of inductors?
What is the principle behind the operation of inductors?
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What is the purpose of inductors in power supplies?
What is the purpose of inductors in power supplies?
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What is the range of inductance used in audio and radio frequency circuits?
What is the range of inductance used in audio and radio frequency circuits?
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