Mathematics · Current Electricity
An electric kettle has two heating coils. When one of the coils is connected to a source, the water in the kettle boils in 10 minutes. When the other coil is used, the same quantity of water takes 15 minutes to boil. How long will it take for the same quantity of water to boil if the two coils are connected in parallel?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 124 minutes
- 218 minutes
- 312 minutes
- 46 minutes✓
Correct answer
6 minutes
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