For a sine wave with peak value Imax the r.m.s. value is_______?

Related Mcqs:

The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of_______degrees?

A. 90 B. 60 C. 45 D. 30...

In the case of an unsymmetrical alternating current the average value must always be taken over__________?

A. unsymmetrical part of the wave form B. the quarter cycle C. the half cycle D. the whole cycle...

Which of the following waves has the highest value of peak factor ___________?

A. Square wave B. Sine wave C. Half wave rectified sine wave D. Triangular wave...

In an AC. circuit, a low value of kVAR compared with kW indicates_________?

A. low efficiency B. high power factor C. unity power factor D. maximum load current...

Inductance of coil___________?

A. is unaffected by the supply frequency B. decreases with the increase in supply frequency C. increases with the increase in supply frequency D. becomes zero with the increase in supply frequency...