Measurement and Instrumentation For the AC bridge circuit shown in figure at balance the value of Rd will be (Rb/Rc).Ra. (Ra/Rc).Rb. (Rc/Ra).Rb. (Rc/Rb).Ra. (Rb/Rc).Ra. (Ra/Rc).Rb. (Rc/Ra).Rb. (Rc/Rb).Ra. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Swamping resistance is used to compensate error due to strong magnetic field. both A and B. none of these. error due to temperature true variations. error due to strong magnetic field. both A and B. none of these. error due to temperature true variations. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because it has high sensitivity. resistance variation due to temperature. there is no thermo electric emf. effect of contact and lead resistance is eliminated. it has high sensitivity. resistance variation due to temperature. there is no thermo electric emf. effect of contact and lead resistance is eliminated. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance can be measured most accurately by Bridge method Voltmeter-ammeter method Multimeter Megger Bridge method Voltmeter-ammeter method Multimeter Megger ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 200 µNm. 100 µNm. 1 µNm. 2 µNm. 200 µNm. 100 µNm. 1 µNm. 2 µNm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is 0.01V 0.25V 0.01V 0.05V 0.01V 0.25V 0.01V 0.05V ANSWER DOWNLOAD EXAMIANS APP
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