Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Moving iron ammeter Moving iron voltmeter Permanent Magnet Type ammeter Induction type ammeter Moving iron ammeter Moving iron voltmeter Permanent Magnet Type ammeter Induction type ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Figure show an RC potentiometer to measure AC voltage. It is desire that Vo/Vi should be independent of frequency. The value of C shoud be 0.1 µF. 10 µF. 0.09 µF. 11 µF. 0.1 µF. 10 µF. 0.09 µF. 11 µF. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The adjustment of position of shading bands, in an energy meter is done to provide Breaking torque Friction compensation None of the listed here Creep compensation Breaking torque Friction compensation None of the listed here Creep compensation ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a dynamometer wattmeter, the moving coil is the Current coil and potential coil None of the listed here Current coil Potential coil Current coil and potential coil None of the listed here Current coil Potential coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The transfer instrument which is used for standardization of a polar type AC potentiometer is a moving coil instrument. a thermal instrument. an electrostatic instrument. a dynamometer instrument. a moving coil instrument. a thermal instrument. an electrostatic instrument. a dynamometer instrument. ANSWER DOWNLOAD EXAMIANS APP
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 1.7 V. 1 V. 1.34 V. 1.5 V. 1.7 V. 1 V. 1.34 V. 1.5 V. ANSWER DOWNLOAD EXAMIANS APP
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