Question

(4 X 3-12)
9. A straight conductor AB is arranged parallel to a magnetic needle
as shown in the figure. When the switch is on the magnetic needle
reflects
WWW
B
a. Which Law help to find the direction of the deflection of the
needle?
b. What is the reason for the deflection of the needle?
Suggest a method to reverse the direction of deflection of
the magnetic needle.​

Answer 1

Answer:

a) idk b) idk

Explanation:

idk