Ex A strain gauge having a resistance of 120 W and a gauge factor of 2 is subjected to a stra Find the expression for the change in output voltage when the strain gauge is connect in ballast circuit having a ballast resistance of 12092 and an input voltage of 6V. of (20+10 sin 314 t) x 10-6 (a) (b) If a capacitor is connected in one of the output leads and a true rms reading voltme of infinite impedance is connected across the output terminals. Find the reading of voltmeter. Change in outnut Sol. (a) alt