Measurement and Instrumentation Most sensitive galvanometer is Elastic galvanometer Vibration galvanometer Spot ballastic galvanometer Duddle galvanometer Elastic galvanometer Vibration galvanometer Spot ballastic galvanometer Duddle galvanometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read 2.5 A 0 A 5 A None of the listed here 2.5 A 0 A 5 A None of the listed here 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. inclined at 30o. parallel. perpendicular. inclined at 60o. inclined at 30o. parallel. perpendicular. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Moving iron ammeter Permanent Magnet Type ammeter Moving iron voltmeter Induction type ammeter Moving iron ammeter Permanent Magnet Type ammeter Moving iron voltmeter Induction type ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads (2 + √3/2)V. 2 V. 5 V. 0 V. (2 + √3/2)V. 2 V. 5 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The repeat accuracy of an instrument can be judged from its Standard deviation of error Linearity error Dynamic error Static error Standard deviation of error Linearity error Dynamic error Static error ANSWER DOWNLOAD EXAMIANS APP
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