Will the compass needle show deflection when the switch in the circuit shown by figure given below is closed?

cbse
cbse-class-7-science
electric-current-eff

#1

Will the compass needle show deflection when the switch in the circuit shown by figure given below is closed?
image
Answer:
No. Since the given circuit does not have any current source, the wire does not behave as a magnet and hence, the compass needle will not show any deflection.