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A dummy strain gage is used in a quarter bridge strain gage circuit to : 

(A) compensate for changes in temperature and lead wire resistance 

(B) produce more output voltage from the bridge 

(C) increase the sensitivity of the bridge 

(D) compensate lead wire resistance only

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A dummy strain gage is used in a quarter bridge strain gage circuit to : compensate for changes in temperature and lead wire resistance 

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