Home
Class 12
PHYSICS
An alternating emf is represented by E =...

An alternating emf is represented by `E = 100 si n ( 120 pi t + pi //4)` volt. Calculate
(i) Average or mean value of emf
(ii) RMS value of emf
(iii) Frequency of alternating emf
(iv) the shortest time interval after start at which emf is zero.

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

The r.m.s value of alternating e.m.f. is

The equation of an alternating emf is epsi =50 sin 100 pi t Calculate (i) the perk volue of the emf of the emf (ii) the mean volue of the emf (iii) rms volue of the emf (iv) What Is the interval at which at which it attains maximum value?

The value of alternating emf E in the given circuit will be

State the average or mean value of an alternating emf? Obtain the expression for it

If the peak value of an alternating emf is 15V, what is its mean value over half cycle?

An alternating e.m.f. is given by E=10 cos omega t . If the frequency is 50 Hz, then at time t=(1/600)s the instantaneous value of e.m.f. is

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

Calculate the root mean square value of the voltage of the given variation of an alternating EMF with time in graph as shown in figure-5.173.

An alternating emf given by V = V_(0) sin omegat has peak value 10 volt and freguency 50 Hz The instantaneous emf at .