Which device is used to control the flow of current in the circuit?

Bulb

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Switch

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Coil

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Bell

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Solution

The correct option is B Switch
A switch controls the flow of current in the circuit. When the swicth is closed, it allows the current to flow whereas when it is open, current flow stops.
Other equipments like the bulb, the coil and the bell do not control the flow of current in the circuit. They perform their functions when current flows through them.

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Similar questions

The device which is used to allow current to flow in a circuit or cut it off when desired is called ____________.

Name a device which is used to allow current to flow into the appliance and cut it off.

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