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 V. (2 + √3/2)V. 0 V. 5 V. 2 V. (2 + √3/2)V. 0 V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The range of a moving iron ac ammeter is extended by A shunt Changing number of turns of operating coil A multiplier None of the listed here A shunt Changing number of turns of operating coil A multiplier None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A potentiometer. An ammeter. A function generator. A frequency meter. A potentiometer. An ammeter. A function generator. A frequency meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative error is same as absolute error. ratio of absolute error and true value. None of these true error. absolute error. ratio of absolute error and true value. None of these true error. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistances can be measured with the help of Wattmeters Voltmeters Ohmmeters and resistance bridges Ammeters Wattmeters Voltmeters Ohmmeters and resistance bridges Ammeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter of range 0-25 A has a guaranteed accuracy of 1% of full-scale reading. The current measured by the ammeter is 5 A. The limiting error in the reading is 3% 4% 5% 6% 3% 4% 5% 6% ANSWER DOWNLOAD EXAMIANS APP
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