Electricity Review Quiz

The picture depicts what electrical safety measure?

• Earthing

• Double insulation

• Electrical disconnecting

• Overloading

It is done by appliance manufacturers to prevent electric shock and grounded external casing of appliances.

• Earthing

• Double insulation

• Electrical disconnecting

• Overloading

What is the function of this electrical safety device?

• It takes a fluctuating voltage level return into a constant voltage level.

• It automatically shuts down if there is overloading due to a short circuit.

• It provides emergency power to the load when there is a power disruption.

• It protects electrical equipment from excessive current.

It automatically shuts down if there is overloading due to a short circuit.

• Uninterruptible Power Supply

• Fuse

• Circuit Breaker

• Automatic Voltage Regulator

Which electrical safety device protects electrical equipment from excessive current and to prevent short circuits?

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Which electrical safety device protects our home appliances by regulating voltage automatically?

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Series connection overheat easily.

• TRUE

• FALSE

In a parallel connection, using multiple appliances at once can lead to overload.

• TRUE

• FALSE

In a series connection, if one of the light bulbs fails, the remaining light bulbs will continue to operate.

• TRUE

• FALSE

It is difficult to identify the damaged bulb in a series circuit.

• TRUE

• FALSE