Water boils in an electric kettle in 15 minutes after switching on. If the length of the heating wire is decreased to `2//3` of

Water boils in an electric kettle in 15 minutes after switching on. If the length of the heating wire is decreased to `2//3` of its initial value, then the same amount of water will with the supply voltage in
A. 15 minutes
B. 12 minutes
C. 10 minutes
D. 8 minutes

Water boils in an electric kettle in 15 minutes after switching on. If the length of the heating wire is decreased to `2//3` of its initial value, the

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