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Get Answers to all your Questions
Why the landuse pattern is changing? give any 4 reasons.
Answers (1)
The heating element of an electric heater is a resistor.
Amount of heat production is given as , .
The resistance of elements (alloys) of an electric heater is high. As current flow through this element, it becomes hot and glows red.
The resistance of cord (metal like Cu or Al)of an electric heater is low. As current flow through this element, it does not becomes hot and does not glow red.
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