The resistance of a coil is 4.2 W at 100o C and the temperature coeffi – McqOptions

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1.	The resistance of a coil is 4.2 W at 100o C and the temperature coefficient of resistance of its material is 0.004/o C. Its resistance at 0o C is [KCET 1999]
A.	6.5 W
B.	5 W
C.	3 W
D.	4 W
Answer» D. 4 W

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