The potential difference across an electric heater is 60 V when it draws a current of 4 A from the source. How much current will the heater draw if the potential difference is increased to 120 V.

4 A

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8 A

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2 A

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16 A

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Solution

The correct option is B
8 A

.

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The potential difference across an electric heater is 60 V when it draws a current of 4 A from the source. How much current will the heater draw if the potential difference is increased to 120 V.

The correct option is B 8 A .

The correct option is B
8 A

.