ACTIVE AND PASSIVE COMPONENTS - Practice Mode

1) How power rating is specified for transformers?
Correct Answer: Volt ampere (VA)
Explanation:

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2) Which component opposes any change in current?
Correct Answer: Inductor
3) What is the unit of inductance?
Correct Answer: Henry
Explanation:

Henry is the unit of either self-inductance or mutual inductance, abbreviated as H, and named for the American physicist Joseph Henry.

4) Which value is equal to one picofarad?
Correct Answer: 10-12 Farad
5) Which factor determines the inductance value?
Correct Answer: Diameter of the coil