Henry is the unit of either self-inductance or mutual inductance, abbreviated as H, and named for the American physicist Joseph Henry.
3) The unit of inductance is
Answer is:
henry
Explanation:
![The unit of inductance is](https://mcqfinder.in/uploads/images/objective-questions/electrician-set-1-alternating-current/electrician-set-1-alternating-current-id-3-e.jpg)
Related Alternating Current MCQ - Electrician (Set-1) with Answers
Answer is:
zero
Explanation:
Power is dissipated only in the Resistor. Capacitor and Inductor only stores energy. So the power dissipation of a pure inductor is Zero.
![The power dissipation of a pure inductor is :](https://mcqfinder.in/uploads/images/objective-questions/electrician-set-1-alternating-current/electrician-set-1-alternating-current-id-4-e.jpg)
Answer is:
voltage leads the current
Explanation:
On passing A.C. through an inductor voltage leads the current.
![On passing A.C. through an inductor :](https://mcqfinder.in/uploads/images/objective-questions/electrician-set-1-alternating-current/electrician-set-1-alternating-current-id-5-e.jpg)
Answer is:
increases
Explanation:
The magnitude of inductance increases with an increase in the frequency.
Answer is:
1
Explanation:
For the purely resistive circuit, the power factor is 1 (perfect), because the reactive power equals zero.