If a wire of resistance 20 Omega is over...

If a wire of resistance `20 Omega` is overed with ice and a voltage of 210 V is applied across the wires, then the rate of melting of ice is

`6.6 g s^-1`

`4.2 g s^-1`

`2.1 gs^-1`

`1.1 gs^-1`

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