What happens to the magnetic field when the current in the circuit is reversed?

CBSE Sample Question Paper, Class 10 Science Term 2 Question 1 - (What happens to the magnetic field when the current in the circuit is reversed?)

By
Komal Kohli
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A circuit contains a battery, a variable resistor and a solenoid. The figure below shows the magnetic field pattern produced by the current in the solenoid.


b. What happens to the magnetic field when the current in the circuit is reversed?

Ans : b. The direction of the field will also be reversed.

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