Measurement and Instrumentation For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from Any of above. A battery. The same source as the unknown voltage. A source other than the source of unknown voltage. Any of above. A battery. The same source as the unknown voltage. A source other than the source of unknown voltage. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because The ohmmeter has its own internal battery Voltage source will increase resistance Current will decrease resistance None of these The ohmmeter has its own internal battery Voltage source will increase resistance Current will decrease resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is the best means available for the measurement of DC voltage because The precision in measurment is independent of the type of the defector used. None of above. It is possible to standardize before a measurement is undertaken. It is based on null balance technique. The precision in measurment is independent of the type of the defector used. None of above. It is possible to standardize before a measurement is undertaken. It is based on null balance technique. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation No eddy current and hysteresis losses occur in Electrodynamo meter instruments PMMC instruments Moving iron instruments Electrostatic instruments Electrodynamo meter instruments PMMC instruments Moving iron instruments Electrostatic instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which wave has the least form factor? Square wave Sine wave Rectangular wave Triangular wave Square wave Sine wave Rectangular wave Triangular wave ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for acceleration? Mass x acceleration Mass x velocity Force x displacement Change in velocity / time Mass x acceleration Mass x velocity Force x displacement Change in velocity / time ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS