A certain amount of water boils in 10 minutes in an electric kettle If same amount of water has to be boiled by another coil

Question

A certain amount of water boils in 10 minutes in an electric kettle If same amount of water has to be boiled by another coil having double resistance then time taken by the coil is using same supply 1 20 minute 2 5 minute

Kunduz · Accepted Answer

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