The square waveform of current has following relation between r.m.s. value and average value?

Related Mcqs:

For the same peak value which of the following wave will ‘have the highest r.m.s. value?

A. square wave B. half wave rectified sine wave C. triangular wave D. sine wave...

The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 Q. If frequency is increased to 100 Hz, reactance becomes_______ohms?

A. 2.5 B. 5 C. 10 D. 15...

In a highly capacitive circuit the__________?

A. apparent power is equal to the actual power B. reactive power is more than the apparent power C. reactive power is more than the actual power D. actual power is more than its reactive power...

At very low frequencies a series R-C circuit behaves as almost purely___________?

A. resistive B. inductive C. capacitive D. none of the above...

Pure inductive circuit takes power from the A.C. line when_________?

A. applied voltage decreases but current increases B. applied voltage increases but current decreases C. both applied voltage and current increase D. both applied voltage and current decrease...