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Question:
Total emf produced in a thermocouple does not depend on
Total emf produced in a thermocouple does not depend on
Updated On: Aug 15, 2024
- the metals in the thermocouple
- thomson coefficients of the metals in the thermocouple
- temperature of the junctions
- the duration of time for which the current is passed through thermocouple
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The Correct Option is D
Solution and Explanation
Total emf produced in a thermocouple does not depend on the duration of time for which the current is passed through thermocouple.
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Concepts Used:
Electric Power
Power is defined as the rate of doing work. Electric power is the rate at which electrical energy is transferred through an electric circuit, i.e. the rate of transfer of electricity. The symbol for Electric Power is ‘P’. SI unit of electric power is Watt.
Electric Power Formula
P = VI
From Ohm's Law, V = IR
Hence, Power can also be expressed as P = I2R
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