Two identical coaxial coils P and Q carrying equal amount of current in the same direction are brought nearer. The current in

Options

A. P increases while in Q decreases
B. Q increases while in P decreases
C. both P and Q decreases
D. both P and Q remains constant

Answer

D

Explanation

Two identical coaxial coils P and Q carrying equal amount of current in the same direction are brought nearer. The current in both P and Q decreases as per Lenz.s law.