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Combination of resistors

Two resistors...

Question

Two resistors of resistance 5Ω and 15Ω are connected in parallel to a 15 volt battery. Find the current across 5Ω resistor.

A

3A

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B

1A

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C

4A

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D

2A

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Solution

The correct option is A
3A

Potential across 5Ω is 15 volts

So using ohm’s law

V = IR

15 = I*5

I = 3A

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