Let us assume there are two pieces of copper wire 0.1625 cm in diamete – McqOptions

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1.	Let us assume there are two pieces of copper wire 0.1625 cm in diameter with a device that melts it at 195 degree Celsius. The wires are positioned vertically in air at 24 degree Celsius and the heat transfer coefficient of the wire is 17 W/ square m K. Let us say k = 335W/m K i.e. of wire. Find out the energy input?
A.	1.234W
B.	2.652W
C.	4.562W
D.	9.435W
Answer» C. 4.562W

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