Two circular coil `P` and `Q` are arranged coaxially as shown. The sign conenntion adopted is that the currents are taken as positive when they flow in the direction of the arrows. Choose the correct statement.

Options

A. If `P` carries a steady position current and it is moved towarrd `Q` , a positive current is induced in `Q`
B. If `P` carries a steady position current and is moved towarrd `P` , a negitive current is induced in `Q`
C. If both the coils carry positive currents, the coil repel each other
D. If a positive current flowing in `P` is switched off, a negitive current is induced momentarily in `Q`

Answer

B

Explanation

NA