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ECE · Q251

Measurement And Instrumentation

Engineering and GATE · ECE · question 251

Q251

A wire strain gauge element subjected to a strain has a gauge factor of 2, a resistance of 125 ohms and is of 1 m length. For a change in length of the wire by 0.005 m, the change in the resistance will be

A.
0.25 ohm
B.
0.5 ohm
C.
1.25 ohm
Answer
D.
2.5 ohm

Answer: Option C

Solution

Answer: Option C
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