Measurement and Instrumentation The chemical effect of current is used in None of these C. energy meter C. ammeter hour meter C. ammeter None of these C. energy meter C. ammeter hour meter C. ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument should be Very heavy Either light or heavy None of the listed here Very light Very heavy Either light or heavy None of the listed here Very light ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is 3% 1% 2% 4% 3% 1% 2% 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The range of a moving iron ac ammeter is extended by None of the listed here A multiplier Changing number of turns of operating coil A shunt None of the listed here A multiplier Changing number of turns of operating coil A shunt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is 50 V. 100 V. 25 V. 200 V. 50 V. 100 V. 25 V. 200 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of Resistance of connecting leads. Contact resistance. Thermoelectric emfs. All of above. Resistance of connecting leads. Contact resistance. Thermoelectric emfs. All of above. ANSWER DOWNLOAD EXAMIANS APP