Question

In the given LCR series circuit fed by 200V–50Hz a.c. mains. Find 

(i) current in the circuit 

(ii) value of inductor L 

(iii) value of capacitor C and 

(iv) value of C (for same L) to have power factor of the circuit unity.

Answer 1

(i) 0.65A, 

(ii) 1H, 

(iii) 5μF 

(iv) 10μF