What is the function of a key (or switch) in an electric circuit?

To control the rate of current flowing through the circuit.

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To put off current in a circuit.

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To put on or off current in a circuit

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To put on current in a circuit

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Solution

The correct option is C
To put on or off current in a circuit

The function of a key (or switch) in an electric circuit is to put on or off current in a circuit

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Similar questions

What is the function of a key (or switch) in an electric circuit ?

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(a) Why is the direction of the current in an electric motor reversed after every half round?

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What is the function of a key (or switch) in an electric circuit?

The correct option is C To put on or off current in a circuitThe function of a key (or switch) in an electric circuit is to put on or off current in a circuit

The correct option is C
To put on or off current in a circuit

The function of a key (or switch) in an electric circuit is to put on or off current in a circuit