Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1.34 V. 1.5 V. 1.7 V. 1 V. 1.34 V. 1.5 V. 1.7 V. 1 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring a very high resistance we should use Wheat stone bridge Kelvin's double bridge None of the listed here Megger Wheat stone bridge Kelvin's double bridge None of the listed here Megger ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The effect of stray magnetic fields on the actuating torque of a portable instrument is maximum when the operating field of the instrument and stray fields are inclined at 60o. parallel. inclined at 30o. perpendicular. inclined at 60o. parallel. inclined at 30o. perpendicular. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken From a source which is not the same as the unknown voltage Any of the above From a battery From the same source as the unknown voltage From a source which is not the same as the unknown voltage Any of the above From a battery From the same source as the unknown voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electrodynamic meter can be used to measure DC current. AC volatge. DC voltage. both AC and DC voltage. DC current. AC volatge. DC voltage. both AC and DC voltage. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistance of a VARISTOR varies with Current Voltage Both Voltage and Temperature Temperature Current Voltage Both Voltage and Temperature Temperature ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS