Q.7 Will the compass needle show deflection when the switch in the circuit shown by Fig.14.24 is closed?


Answer :

(1) No, the compass needle does not show deflection when the circuit is closed, the magnetic field is not created until the current is flowing through the circuit.

(2) This circuit does not have a source of current like a battery in it.

NCERT solutions of related questions for Electric Current and Its Effects

NCERT solutions of related chapters class 7 maths

NCERT solutions of related chapters class 7 science