Question

A 40 μF capacitor is connected to a 200V, 50 Hz ac supply. The rms value of the current in the circuit is nearly:

(1) 25.1 A

(2) 1.7 A

(3) 2.05 A

(4) 2.5 A

Answer 1

Correct answer is (4) 2.5 A

= 200 × 40 × 10^–6 × 2 p × 50 

= 2.5 A