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Read the given passage and answer the following questions

The home electrical connection consists of ‘live’, ‘neutral’ and ‘earth’ wires. The ‘live’ and the‘neutral’ wires have potential difference of 220 V. The ‘earth’ is connected to ground. Due to a faultin the equipment or if the plastic coating on the ‘live’ and the ‘neutral’ wires gives a way the twowires come in contact with each other and a large current flows through it producing heat. If anyinflammable material (such as wood, cloth, plastic, etc.) exists around that place it can catch fire.Therefore a fuse wire is used as a precautionary measure.

  1. Name the two wires having potential difference of 220 V.
  2. What is short circuit?
  3. Write the function of a fuse.

Answers :

Name the two wires having potential difference of 220 V.

The ‘live’ and the ‘neutral’ wires have potential difference of 220 V.

What is short circuit?

Due to a fault in the equipment or if the plastic coating on the ‘live’ and the ‘neutral’ wiresgives away the two wires come in contact with each other and a large current flows through itproducing heat. This is known as short circuiting.

Write the function of a fuse.

Fuse wire protects circuits and appliances by stopping the flow of any excess electric current.

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