A switch is always connected to the

Earth wire

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Neutral wire

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Live wire

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None of these

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Solution

The correct option is C Live wire
The Live wire carries current to appliances at a high voltage. the Neutral wire completes the circuit and carries current away from the appliances .The third wire called the earth wore is the safety wire connects the metal case of the appliances to the earth.
So Live wire is connected to the switch so that when it is off their is no current passing through the appliance.

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Similar questions

Electric/electrical Switches are always connected to:

ε_{1}

ε_{2}

A B = l

S

S_{1}

B P = x_{1}

S

S_{2}

B P = x_{2}

ε_{1} / ε_{2}

e_{1}

e_{2}

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