Question

An a.c. generator generates an emf ‘s’ where e = 314 Sin (50 πt) volt. Calculate the frequency of the emf ∈.

Answer 1

Since e = 314 sin 50 πt V

∴ ω = 50 π

Hence, frequency, f  =\(\frac{50\pi}{2\pi}\) = 25Hz or Rad s^-1