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Question
Which is not a device based on the heating effect of electricity :
Which is not a device based on the heating effect of electricity :
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Solution
The correct option is C Refrigerator
Refrigerator works on the process of transferring heat from low temperature reservoir to the high temperature reservoir. This is against the natural flow of heat hence power is required to enable this transfer. Refrigeration is also defined as science that deals with the process of reducing and maintaining the temperature of a space or material below the temperature of the surroundings.
All other process are based on the principle of Joule's heating.
Refrigerator works on the process of transferring heat from low temperature reservoir to the high temperature reservoir. This is against the natural flow of heat hence power is required to enable this transfer. Refrigeration is also defined as science that deals with the process of reducing and maintaining the temperature of a space or material below the temperature of the surroundings.
All other process are based on the principle of Joule's heating.
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