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Ohm's Law

If the voltag...

Question

If the voltage across a fixed value of resistance is doubled, the current:

A

Stays the same

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B

is doubled

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C

is halved

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D

Not enough information

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Solution

The correct option is B
is doubled

As per Ohm's law, V=IR where R is resistance and constant. i.e., $V \propto I$ .
If V is doubled, I is doubled as well.

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