When an alternating current passes through an ohmic resistance the electrical power converted into heat is__________?

Related Mcqs:

In a series resonant circuit, the impedance of the circuit is___________?

A. minimum B. maximum C. zero D. none of the above...

The voltage of domestic supply is 220V. This figure represents__________?

A. mean value B. r.m.s. value C. peak value D. average value...

In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will__________?

A. be reduced by half B. be doubled C. be four times at high D. be reduced to one fourth...

Skin effect occurs when a conductor carries current at_______ frequencies

A. very low B. low C. medium D. high...

Time constant of a circuit is the time in seconds taken after the application of voltage to each___________?

A. 25% of maximum value B. 50% of maximum value C. 63% of maximum value D. 90% of the maximum value...