Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads 5 V. 2 V. (2 + √3/2)V. 0 V. 5 V. 2 V. (2 + √3/2)V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 100 V voltmeter has a guaranteed accuracy of 2 % of full scale reading. The voltage measured by the voltmeter is 75 V. The limiting error is in percentage 1 %. 2 %. 3.33 %. 2.66 %. 1 %. 2 %. 3.33 %. 2.66 %. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The EMF of Weston standard cell is measured using Moving- iron meter Moving-coil meter Digital Volt meter Potentiometer Moving- iron meter Moving-coil meter Digital Volt meter Potentiometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation It is found that 10A current passes through a resistor of 10°hms. The resistor has 5% tolerance . The error in measurement of current can be as high as 5%. What is max error in measurement of power, calculated from measured value of I and the nominal value of resistor? 100W 50W 200W 150W 100W 50W 200W 150W 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 1.7 V. 1 V. 1.34 V. 1.5 V. 1.7 V. 1 V. 1.34 V. 1.5 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The adjustment of position of shading bands, in an energy meter is done to provide Breaking torque Friction compensation None of the listed here Creep compensation Breaking torque Friction compensation None of the listed here Creep compensation ANSWER DOWNLOAD EXAMIANS APP
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