Measurement and Instrumentation What is the approximate input impedance of a CRO? 100 MΩ 0 1 MΩ 10 MΩ 100 MΩ 0 1 MΩ 10 MΩ ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument should be Very heavy Either light or heavy Very light None of the listed here Very heavy Either light or heavy Very light None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as 960 rev/KWh. 3750 rev/KWh. 1000 rev/KWh. 3600 rev/KWh. 960 rev/KWh. 3750 rev/KWh. 1000 rev/KWh. 3600 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ryall crest voltmeter is used for measurement of High AC voltage High DC voltage AC voltage of any form Low frequency voltage High AC voltage High DC voltage AC voltage of any form Low frequency voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is 175.4o. 85.4o. 94.6o. 4.6o. 175.4o. 85.4o. 94.6o. 4.6o. 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. 2 µNm. 1 µNm. 100 µNm. 200 µNm. 2 µNm. 1 µNm. 100 µNm. ANSWER DOWNLOAD EXAMIANS APP
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