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Q.

The potential difference between the live wire and neutral wire is


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a

220 V

b

240 V

c

440 V

d

420 V 

answer is A.

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Detailed Solution

The potential difference between the live wire and neutral wire is 220 V.
The live wire has the electric current flowing through it and the neutral wire does not have any current flowing through it. The potential difference is also known as voltage. It is the product of current and resistance. It is given by the formula V=IR. The potential difference between the live wire and neutral wire varies from country to country. In India, the difference maintained is 220 V.
 
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