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A heater coil of resistance $R$ is cut into two equal parts and only one part is used in the heater. The heat generated $H'$ will now be how many times the original heat generated $H$ for the same voltage $V$?
- A.$2$ times
- B.$4$ times
- C.$0.5$ times
- D.$1$ time
Show correct answer & step-by-step solution
Correct answer: A — $2$ times
Solution
Original power . New resistance . New power .
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