Measurement and Instrumentation The absolute measurement of resistance is done by Bridge Method Rayleigh method Ohm’s law method Lorenz method Bridge Method Rayleigh method Ohm’s law method Lorenz method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Instrument transformer. Power factor meters. Energy meter. Wattmeters. Instrument transformer. Power factor meters. Energy meter. Wattmeters. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used? 99.99 K ohms 99.99 ohms 100 K ohms 100 ohms 99.99 K ohms 99.99 ohms 100 K ohms 100 ohms 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. 100 W. 25 W. 0 W. 50 W. 100 W. 25 W. 0 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The calibration of a voltmeter can be carried out by using A frequency meter. A potentiometer. A function generator. An ammeter. A frequency meter. A potentiometer. A function generator. An ammeter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An analog ammeter is a controlling instrument. an absolute instrument. an indicating instrument. a recording instrument. a controlling instrument. an absolute instrument. an indicating instrument. a recording instrument. ANSWER DOWNLOAD EXAMIANS APP
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