The general equation for the instantenous e.m.f. of a generator (frequency `50` cycles/s), whose peak voltage is `200V` will be

Write the general equation for the instantaneous e.m.f of a 50 Hz generator whose peak voltage is 250 V.

The general equation for the instantneous voltage of a 50 Hz generator with peak voltage 220 V is

The peak value of alternating e.m.f. in a generator is given by e_(0) =

Voltage obtained in one A.C. generator V=V_0 cos omegat . If V_0 = 10 volt and frequency v=50 Hz then voltage at time t=1/600s wiil be _____

A generator produces an emf given by e = 141 sin 88 t . Then the frequency and the rms value of voltage are:

The peak value of an alternating voltage applied to a 50 Omega resistance is 10 V. Find the rms current. If the frequency of the applied voltage is 60 Hz, write the equation for the instantaneous current.

A message signal of 1 KHz and peak voltage 50 v is used to modulate a carrier wave of frequency 1200 KHz and peak voltage 80 V. What is the modulation index ?