Measurement and Instrumentation The terminals across the source are ______________________________ if a current source is to be neglected. short circuited open circuited replaced by a source resistance replaced by a capacitor short circuited open circuited replaced by a source resistance replaced by a capacitor ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance in the circuit of the moving coil of a dynamometer wattmeter should be Almost zero Low None of the listed here High Almost zero Low None of the listed here High ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative error is same as true error. absolute error. None of these ratio of absolute error and true value. true error. absolute error. None of these ratio of absolute error and true value. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because it has high sensitivity. effect of contact and lead resistance is eliminated. resistance variation due to temperature. there is no thermo electric emf. it has high sensitivity. effect of contact and lead resistance is eliminated. resistance variation due to temperature. there is no thermo electric emf. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 0.84 0.65 0.73 1 0.84 0.65 0.73 1 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A multirange instrument has Multicoil arrangement Multirange meters inside the measurement system Multiple shunt or series resistance inside the meter Variable turns of coil Multicoil arrangement Multirange meters inside the measurement system Multiple shunt or series resistance inside the meter Variable turns of coil ANSWER DOWNLOAD EXAMIANS APP
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