Draw two electric circuits showing two different situations when an electric current wiill not flow through the circuit. Explain the reason in each case.
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Sorry I couldn't draw but explained clearly.
In the above circuit one end of the bulb is connected to the battery and another end to the safety pin. But the other end of the battery is not connected to the safety pin. Therefore there will be no flow of current as the switch is in “OFF” position.
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An electric fuse is an electric device which interrupts the flow of current in an electric circuit. ... A fuse is usually a short piece of wire. The fuse is made up of a material which has high resistivity and low melting point, so that it melts down due to overheating of the wire during high current flow
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