If the resistance of the wire is made four times keeping potential difference across it…
Physics · Class 12 · CBSE — Current Electricity
If the resistance of the wire is made four times keeping potential difference across it constant, then the number of times heat produced in it varies by:
- 4
- \(\frac 14\)
- 2
- \(\frac 12\)
Answer
(B) 14
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