Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A frequency meter. A function generator. An ammeter. A potentiometer. A frequency meter. A function generator. An ammeter. A potentiometer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to Minimize the effect of temperature variation. Reduce the size of the meter. Obtaine large deflecting torque. Minimize the effect of stray magnetic fields. Minimize the effect of temperature variation. Reduce the size of the meter. Obtaine large deflecting torque. Minimize the effect of stray magnetic fields. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following voltmeters would you use for measuring voltage across 20KΩ resistance None of above. Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 1 KW/V. Voltmeter having sensitivity of 10 KW/V. None of above. Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 1 KW/V. Voltmeter having sensitivity of 10 KW/V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In DC potentiometer measurments, a second reading is often taken after reversing the polarities of the DC supply and the unknown voltage and the average of the two reading is taken. This is with a view of eliminate the effects of Stray thermal emfs. Ripples of the DC supply. Errorneous standardisation. Stray magnetic fields. Stray thermal emfs. Ripples of the DC supply. Errorneous standardisation. Stray magnetic fields. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance in the circuit of the moving coil of a dynamometer wattmeter should be None of the listed here Low High Almost zero None of the listed here Low High Almost zero ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An induction meter can handle current upto 10 A 30 A 60 A 100 A 10 A 30 A 60 A 100 A ANSWER DOWNLOAD EXAMIANS APP
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