The change in resistance of a metal wire owing to strain is due to
S1: Change in dimension of wire expressed by factor (1-2μ)
S2: Change in resistance ?
A. S1 is true & S2 is false
B. S2 is true & S1 is false
C. Both S1 & S2 are true
D. Both S1 & S2 are false
Show Answer
Answer: B
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