Measurement and Instrumentation In a CRO which of following is not a part of electron gun? Grid X-Y plates Cathode Accelerating anode Grid X-Y plates Cathode Accelerating anode ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pressure coil of a wattmeter should be connected on the supply side of the current coil when Supply voltage is low None of these Load impedance is low Load impedance is high Supply voltage is low None of these Load impedance is low Load impedance is high 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. 25 W. 100 W. 0 W. 50 W. 25 W. 100 W. 0 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Ryall crest voltmeter is used for measurement of AC voltage of any form Low frequency voltage High DC voltage High AC voltage AC voltage of any form Low frequency voltage High DC voltage High AC voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The smallest change in measured variable to which instrument will respond is precision. accuracy. sensitivity. resolution. precision. accuracy. sensitivity. resolution. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A set of independent current measurements taken by four observers was recorded as : 117.02 mA, 117.11 mA, 117.08 mA and 117.03 mA. What is the range of error ? ± 0.054 ± 0.056 ± 0.045 ± 0.065 ± 0.054 ± 0.056 ± 0.045 ± 0.065 ANSWER DOWNLOAD EXAMIANS APP
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