the voltage of a circuit is changed from 6 v to 12v resistance remaining the same what will be the current?
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Initially,
- Current = I
- Potential Difference (V) = 6V
- Resistance = R
We know, V = IR
6 = IR..(1)
When potential difference is changed ,
- Potential difference = 12 V
- Current = I'
- Resistance = R
12 = I'R....(2)
Dividing 2 by 1
I'/I = 12/6
I' = 2I
- Current is doubled....
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