The element of an electric heater becomes red hot when the current is switched on while it is not so far the cuurent carrying wires in the circuit.Explain why?
Answers
Answer
The wire carrying the current also heats up, but if it is properly sized, it will only get very slightly warm. This is because the conductor wire is made of copper and is much thicker than the heater wire, that is made of nichrome.
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Answer:
Heat created is directly proportionate to the resistance so when a current pass through them due to high resistance they create more heat and become red hot.
Explanation:
Elements used in electric heaters include a high melting point with very increased resistance. We know heat created is directly proportionate to the resistance so when a current pass through them due to high resistance they create more heat and become red hot.
When an electric current is passed through an increased resistance wire (like nichrome wire), the resistance wire becomes hot and delivers heat. This is named the heating effect of current.
When an electric current is passed through a conductor, the conductor becomes hot after some duration and delivers heat. The reason for this change in temperature is the conversion of some electric energy passing via the conductor into heat energy. This outcome of electric current exists called the heating effect of current.
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