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1. Electricity
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Q28 of 330 Page 19

Keeping the potential difference constant, the resistance of a circuit is halved. The current will become:

Current is inversely proportional to resistance.

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The unit of electrical resistance is :

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The substance having infinitely high electrical is called:

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Keeping the potential difference constant, the resistance of a circuit is halved. The current will become:

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An electric room heater draws a current of 2.4 A from the 120 V supply line. What current will this room heater draw when connected to 240 V supply line?

Questions · 330
1. Electricity
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