Measurement and Instrumentation Basically potential meter is a device for Measuring a voltage Measuring a current Comparing two voltages Comparing two currents Measuring a voltage Measuring a current Comparing two voltages Comparing two currents ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement of high direct voltage, one would use _____ voltmeter. PMMC Electrostatic Hot wire Moving iron PMMC Electrostatic Hot wire Moving iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors introduced by an instrument fall in which category ? Systematic errors Random errors Gross errors Environmental errors Systematic errors Random errors Gross errors Environmental errors ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.25 A. 0.67 A. 0.70 A. 0.50 A. 0.25 A. 0.67 A. 0.70 A. 0.50 A. 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 100 Nm. 1 Nm. 200 Nm. 2 Nm. 100 Nm. 1 Nm. 200 Nm. 2 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the approximate input impedance of a CRO? 10 MΩ 1 MΩ 0 100 MΩ 10 MΩ 1 MΩ 0 100 MΩ ANSWER DOWNLOAD EXAMIANS APP