Physics
If current through a resistance is doubled and its resistance made one-fourth, then the value of power dissipation will
- remain same
- double
- become 4 times
- become 1⁄4 time
Current Electricity
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Answer
remain same
Reason — Power if given by the formula,
New Current (I') = 2I
New Resistance (R') = R
Substituting we get
=
Hence, P2 = P1
∴ Power dissipation will remain same.
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