Q.

What is the value of the potential difference between live wire and neutral wire?

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a

220V

b

520V

c

440V

d

400V 

answer is B.

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Detailed Solution

  • The potential difference between live wire and neutral wire is 220 V.
  • The potential difference (which is the same as voltage) is equal to the amount of current multiplied by the resistance.
  • It is the difference in the amount of energy that the charge carriers have between two points in a circuit.
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