Measurement and Instrumentation ______ movement is most expensive. Dynamometer None of the listed here D'Arsonval movement Moving iron Dynamometer None of the listed here D'Arsonval movement Moving iron ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be 4.54 V. 4.38 V. 3.53 V. 5 V. 4.54 V. 4.38 V. 3.53 V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The scale of hot wire ammeter is Absloute linear. Linear. Cramped. Non Linear. Absloute linear. Linear. Cramped. Non Linear. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Deflection method direct measurements are most widely used as these are most simple and least time consuming. most accurate. most simple. least time consuming. most simple and least time consuming. most accurate. most simple. least time consuming. 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 magnetic fields. Stray thermal emfs. Ripples of the DC supply. Errorneous standardisation. Stray magnetic fields. Stray thermal emfs. Ripples of the DC supply. Errorneous standardisation. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 0 W. 50 W. 100 W. 25 W. 0 W. 50 W. 100 W. 25 W. ANSWER DOWNLOAD EXAMIANS APP
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