The touching of a live wire and neutral wire directly is known as
A
power rating
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B
short circuit
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C
overloading
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D
none of these
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Solution
The correct option is B
short circuit
Explanation for the correct answer:
When a live wire comes in contact with a neutral wire, the resistance of the circuit decreases which increases the current suddenly.
When the current suddenly increases, the wire gets heated and this results in a short circuit.
Explanation for incorrect choices:
The power delivered by a circuit will have a certain limit. If any appliance demands more power, the circuit may get heated and may catch fire. This phenomenon is called overloading.
The highest power input allowed to flow through a particular appliance is defined as a power rating.