Question

A resistor of 500 Ω and an inductance of 0.5 H are in series with an AC source which is given by V = 100 √2 sin (1000t). The power factor of the combination

(A) 1/√2

(B) 1/√3

(C) 0.5

(D) 0.6

Answer 1

Correct option is: (A) 1/√2