Two identical coaxial coils (P) and (Q) carrying equal amoun... | Physics | SolveeIt | Solveeit

Today, August 23

Question

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

both $P$ and $Q$ decreases

Explanation

Solution

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 Lenzilaw.