What is the function of a key in an electric circuit?
ICSE Class 9 Physics Chapter Current Electricity
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To put on or off current in a circuit
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the function of a key in an electric circuit is that:-
1)we can make the current to flow in an circuit
2)we can stop the current to flow in an circuit
1)we can make the current to flow in an circuit
2)we can stop the current to flow in an circuit
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