Measurement and Instrumentation The chemical effect of current is used in C. ammeter C. energy meter C. ammeter hour meter None of these C. ammeter C. energy meter C. ammeter hour meter None of these 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 0.50 A. 0.67 A. 0.25 A. 0.70 A. 0.50 A. 0.67 A. 0.25 A. 0.70 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ? ± 1.5% ± 2.5% ± 1% ±3.5% ± 1.5% ± 2.5% ± 1% ±3.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter produces a full scale torque of 240 μNm with a deflection of 120° at a current of 10 A. The rate of change of self induction (μH/radian) of the instrument at full scale is 114.6 μH/radian. 4.8 μH/radian. 2.0 μH/radian. 12.0 μH/radian. 114.6 μH/radian. 4.8 μH/radian. 2.0 μH/radian. 12.0 μH/radian. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An oscilloscope indicates RMS value DC value of voltage Average value Peak to peak value of voltage RMS value DC value of voltage Average value Peak to peak value of voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The transfer instrument which is used for standardization of a polar type AC potentiometer is an electrostatic instrument. a thermal instrument. a dynamometer instrument. a moving coil instrument. an electrostatic instrument. a thermal instrument. a dynamometer instrument. a moving coil instrument. ANSWER DOWNLOAD EXAMIANS APP
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