An electric kettle boils some water in 16 min. Due to some defect, it becomes necessary…
Physics · Class 12 · CBSE — Current Electricity
An electric kettle boils some water in 16 min. Due to some defect, it becomes necessary to remove 10% turns of the heating coil of the kettle. Now, how much time will it take to boil the same amount of water?
- 19.6 min
- 12.7 min
- 14.4 min
- 15.0 min
Answer
(B) 12.7 min
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