Questions
Statement 1: In practical application, power rating of resistance is not important.
Statement 2: Property of resistance remains same even at high temperature.
detailed solution
Correct option is D
Because of heat production, every resistance has a maximum power rating, the maximum power that can be dissipated without overheating the device. When this rating is exceeded, heat is produced due to which resistance may change unpredictably.Talk to our academic expert!
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A piece of copper and the other of germanium are cooled from the room temperature to 80K, then which of the following would be correct statement?
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