Measurement and Instrumentation In a moving coil instrument, the deflecting torque is proportional to Squareroot of the current Current Sine of the measurand Square of the current Squareroot of the current Current Sine of the measurand Square of the current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is not correct? An electronic voltmeter draw appreciable current from the source. Voltmeter should have very high resistance. A shunt should have a very low resistance. An ammeter should have a very low resitance. An electronic voltmeter draw appreciable current from the source. Voltmeter should have very high resistance. A shunt should have a very low resistance. An ammeter should have a very low resitance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is 1.5 V. 1.7 V. 1 V. 1.34 V. 1.5 V. 1.7 V. 1 V. 1.34 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? Small range moving coil voltmeter Small range thermocouple voltmeter C. potentiometer None of these Small range moving coil voltmeter Small range thermocouple voltmeter C. potentiometer None of these 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 50 W. 0 W. 100 W. 25 W. 50 W. 0 W. 100 W. 25 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Null type recorders are any one of the above. potentiometric recorders. bridge recorders. LVDT recorders. any one of the above. potentiometric recorders. bridge recorders. LVDT recorders. ANSWER DOWNLOAD EXAMIANS APP
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