Question

if a magnet is rotated about its axis in a coil of insulated copper wire connected to a galvanometer, we observe the needle of the galvanometer;

a) move to its right
b) to its left
c) remains constant
d) keeps deflecting​

Answer 1

Answer:

Hope this helps You ?

Explanation:

f the bar magnet is kept near the wire, and kept stationary, there is not change of flux through the wire, it remains constant.

Hence emf induced in the solenoid according to  

EMF  

induced

​  

=−  

dt

dϕ

​  

=0

Answer 2

I think the answer is B

But please mark me as a brainlist and give me some thanks please