The heat of vaporization of ethyl alcohol is about 200, Ask an Expert

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Q. A long, thin solenoid has 811 turns per meter and radius 2.5cm . The current in the solenoid is increasing at a uniform rate of 75.9 A/s.

What is the magnitude of the induced electric field at a point 0.207 cm from the axis of the solenoid?

Q. The heat of vaporization of ethyl alcohol is about 200 cal/g. If 2.8 kg of it were allowed to vaporize in a refrigerator, how many grams of ice would be formed from 0°C water?

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