Measurement and Instrumentation A potentiometer may be used for Measurement of current All of the listed here Calibration of ammeter Measurrment of resistance Measurement of current All of the listed here Calibration of ammeter Measurrment of resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at High load on the transformer Low frequencies High frequencies Power frequencies High load on the transformer Low frequencies High frequencies Power frequencies ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is 2.5% 1% 2% 1.5% 2.5% 1% 2% 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be 0.5 mA. 10 mA. 100 mA. 1mA. 0.5 mA. 10 mA. 100 mA. 1mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as (400 ± 3) A (400 ± 1) A (400 ± 2.24) A (400 ± 1.5) A (400 ± 3) A (400 ± 1) A (400 ± 2.24) A (400 ± 1.5) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The electrical power to a megger is provided by Battery Ac generator Permanent magnet dc generator Any of the listed here Battery Ac generator Permanent magnet dc generator Any of the listed here ANSWER DOWNLOAD EXAMIANS APP