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An electric kettle has two coils. When o...

An electric kettle has two coils. When one of these is switched on, thje water in the kettle boils in 6 minutes. When the other coil is switched on, the water boils in 3 minutes. If the two coils are connected in series, the time taken to boil the water in the kettle is

A

1 day

B

1 sec

C

`10^(11)` sec

D

1 year

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Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-APPENDICES (REVISION EXERCISE)-LAW OF MOTION
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