Current Electricity and Electrical InstrumentEasy
Question
Two resistance R1 and R2 are made of different materials. The temperature coefficient of the material of R1 is a and of the material of R2 is −b. The resistance of the series combination of R1 and R2 will not change with temp., then ratio of resistance of two wire at 0oC will be :
Options
A.
B.
C.
D.
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