The unit of resistivity is

Which of the followings is/are active element?

A. Voltage source

B. Current source

C. Both

D. None of these

If P is the power of a star connected system then what will be power of an equivalent delta connected system?

A. P

B. 3P

C. P/3

D. None of the above

Magnetic flux has the unit of

A. Newton

B. Ampere-turn

C. Weber

D. Tesla

The voltage induced in an inductor is represented as,

A. product of its inductance and current through it.

B. ratio of its inductance to the current through it.

C. ratio of the current through it to its inductance.

D. product of its inductance and rate of change of current through it.

Instantaneous power in inductor is proportional to the

A. product of the instantaneous current and rate of change of current

B. square of instantaneous current

C. square of the rate of change of current

D. Temperature of the inductor