Measurement and Instrumentation When the pointer of an indicating instrument comes to rest in the final deflected position, ______ Both deflecting and controlling torques act Only controlling torque acts Only deflecting torque acts None of the listed here Both deflecting and controlling torques act Only controlling torque acts Only deflecting torque acts None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the approximate input impedance of a CRO? 10 MΩ 100 MΩ 1 MΩ 0 10 MΩ 100 MΩ 1 MΩ 0 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for high precision. high accuracy. minimum effect on the current in the circuit. high sensitivity. high precision. high accuracy. minimum effect on the current in the circuit. high sensitivity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 80 mA. 50 mA. 40 mA. 25 mA. 80 mA. 50 mA. 40 mA. 25 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement of high direct voltage, one would use _____ voltmeter. PMMC Hot wire Electrostatic Moving iron PMMC Hot wire Electrostatic Moving iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of Thermoelectric emfs. Contact resistance. Resistance of connecting leads. All of above. Thermoelectric emfs. Contact resistance. Resistance of connecting leads. All of above. ANSWER DOWNLOAD EXAMIANS APP