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Subjects
Science CBSE
Class 7
Electric current and its effects
Textbook questions
7.
Exercise VII
Exercise condition:
3
m.
Will the compass needle show deflection when the switch in the circuit shown by figure is closed?
Experimental set-up
No
Yes
, the compass needle
does not show
show
any deflection when the switch in the circuit is closed. The deflection happens only when the
current does not flow
current flows
through the wire.
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