AC CIRCUITS - Quiz

1) What is the value of form factor?

1.23 1.11 0.81 0.707

2) What is the RMS value of alternating voltage?

0.637 X Vav 0.707 X Vav 0.637 X Vmax 0.707 X Vmax

3) Which quantity is rotating at a constant angular velocity?

Scalar quantity Vector quantity Phas or quantity Algebraic quantity

4) What is the shape of the waveform of A/C?

Sine wave Square wave Sawtooh wave Pulsating wave

5) What is the inductive reactance of a coil having 20H inductance operating at 50 Hz supply frequency?

6252 Ohm 6273 Ohm 6284 Ohm 6382 Ohm