Measurement and Instrumentation The pressure coil of a wattmeter should be connected on the supply side of the current coil when Supply voltage is low None of these Load impedance is high Load impedance is low Supply voltage is low None of these Load impedance is high Load impedance is low ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for high accuracy. high precision. high sensitivity. minimum effect on the current in the circuit. high accuracy. high precision. high sensitivity. minimum effect on the current in the circuit. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Random errors Gross errors Systematic errors Environmental errors Random errors Gross errors Systematic errors Environmental errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What are the SI units of mass, length and time respectively? kg, m and s. g, cm and s. kg, cm and s. g, m and s. kg, m and s. g, cm and s. kg, cm and s. g, m and s. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Swamping resistance is used to compensate error due to strong magnetic field. error due to temperature true variations. none of these. both A and B. error due to strong magnetic field. error due to temperature true variations. none of these. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An induction wattmeter can be used for Any of the listed here Dc only Ac only Both DC and AC Any of the listed here Dc only Ac only Both DC and AC ANSWER DOWNLOAD EXAMIANS APP
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