An emf of 12 V is induced when the current in the coil changes from 2 A to 6 A in 0.5 s. The coefficient of self inductance of the coil is;
A. 1.5 H
B. 6 H
C. 0.3 H
D. 3 H
Answer:A
An emf of 12 V is induced when the current in the coil changes from 2 A to 6 A in 0.5 s. The coefficient of self inductance of the coil is;
A. 1.5 H B. 6 H C. 0.3 H D. 3 H