Measurement and Instrumentation When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is very high. small. ideally zero. high. very high. small. ideally zero. high. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistances can be measured with the help of Ammeters Voltmeters Ohmmeters and resistance bridges Wattmeters Ammeters Voltmeters Ohmmeters and resistance bridges Wattmeters ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 200 Nm. 1 Nm. 2 Nm. 100 Nm. 200 Nm. 1 Nm. 2 Nm. 100 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Electrostatic instruments are normally used for Low voltage measurements High current measurements Low current measurements High voltage measurements Low voltage measurements High current measurements Low current measurements High voltage measurements ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is the best means available for the measurement of DC voltage because None of above. It is based on null balance technique. The precision in measurment is independent of the type of the defector used. It is possible to standardize before a measurement is undertaken. None of above. It is based on null balance technique. The precision in measurment is independent of the type of the defector used. It is possible to standardize before a measurement is undertaken. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 2.5% ± 1.5% ± 7.5 % ± 20% ± 2.5% ± 1.5% ± 7.5 % ± 20% ANSWER DOWNLOAD EXAMIANS APP
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