Measurement and Instrumentation The error of an instrument is normally given as a percentage of Mean value Rms value Measured value Full-scale value Mean value Rms value Measured value Full-scale value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation No eddy current and hysteresis losses occur in Electrostatic instruments PMMC instruments Moving iron instruments Electrodynamo meter instruments Electrostatic instruments PMMC instruments Moving iron instruments Electrodynamo meter instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has a lower sensitivity. a higher accuracy. All of these a faster response. a lower sensitivity. a higher accuracy. All of these a faster response. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a dynamometer wattmeter, the moving coil is the Current coil Current coil and potential coil Potential coil None of the listed here Current coil Current coil and potential coil Potential coil None of the listed here 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 Induction type ammeter Moving iron voltmeter Moving iron ammeter Permanent Magnet Type ammeter Induction type ammeter Moving iron voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of Weston standard cell is of order of 1000 ohm. 10 ohm. 1 ohm. 100 ohm. 1000 ohm. 10 ohm. 1 ohm. 100 ohm. ANSWER DOWNLOAD EXAMIANS APP