Measurement and Instrumentation The internal resistance of an ammeter should be Very small Medium Infinity High Very small Medium Infinity High ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because Voltage source will increase resistance The ohmmeter has its own internal battery None of these Current will decrease resistance Voltage source will increase resistance The ohmmeter has its own internal battery None of these Current will decrease resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Random errors Systematic errors Gross errors Environmental errors Random errors Systematic errors Gross errors Environmental errors 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 5 V. (2 + √3/2)V. 0 V. 2 V. 5 V. (2 + √3/2)V. 0 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The function of shunt in an ammeter is to By pass the current Increase the resistance of ammeter None of the listed here Increase the sensitivity of the ammeter By pass the current Increase the resistance of ammeter None of the listed here Increase the sensitivity of the ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The terminals across the source are ______________________________ if a current source is to be neglected. replaced by a source resistance replaced by a capacitor open circuited short circuited replaced by a source resistance replaced by a capacitor open circuited short circuited ANSWER DOWNLOAD EXAMIANS APP
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