An electric heater coil has a resistance of 500 - - Calculate the time required by the coil to convert 20 g of ice at -10- C to 20 g of water at 0- C if a current of 50 mA flows through it-A- 5336 sB- 5448 sC- 5360 sD- 5712 sE- 5624 s

The correct option is D 5712s ...

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Standard X

Physics

Electric Power

An electric h...

Question

An electric heater coil has a resistance of 500Ω. Calculate the time required by the coil to convert 20g of ice at -10^oC to 20g of water at 0^oC if a current of 50mA flows through it.

5712s

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5624s

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5336s

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5448s

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5360s

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Solution

The correct option is A
5712s

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An electric heater coil has a resistance of 500Ω. Calculate the time required by the coil to convert 20g of ice at -10oC to 20g of water at 0oC if a current of 50mA flows through it.

The correct option is A 5712s

An electric heater coil has a resistance of 500Ω. Calculate the time required by the coil to convert 20g of ice at -10^oC to 20g of water at 0^oC if a current of 50mA flows through it.

The correct option is A
5712s