Question

Give reasons :
Manav made an electric circuit & placed a magnetic compass near it.
a) On switching on, the needle of the magnetic compass showed a deflection.
b) On switching off, the needle came back to its normal north-south direction.

Answer 1

Answer:

a. Electric current produces magnetic effect. Due to the magnetic effect of electric current, the needle showed deflection.

b. On switching off, the electric circuit does not produce electric current and therefore do not produce magnetic effect. So the needle comes back to its normal position.

hope it helps you

please mark my answer as the brainliest

thanks...

Answer 2

Answer:

Hope the answer will help you

Explanation:

a)on switching on it produced magnetic effect,so it showed deflection.

b)on switching off, the magnetic effect doesn't work and came back it's normal direction.