Two identical coaxial coils P and Q carrying equal amount of current in the same direction are brought nearer. The current in
A. P increases while in Q decreases
B. Q increases while in P decreases
C. both P and Q increases
D. both P and Q decreases
Answer:A
Two identical coaxial coils P and Q carrying equal amount of current in the same direction are brought nearer. The current in
A. P increases while in Q decreases B. Q increases while in P decreases C. both P and Q increases D. both P and Q decreases