Measurement and Instrumentation A wattmeter reads 30.34 W. The absolute error in the measurement is - 2.22 W. What is the true value of power? 32.56 W . None of these 28.12 W. 25.45 W. 32.56 W . None of these 28.12 W. 25.45 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has a higher accuracy. All of these a lower sensitivity. a faster response. a higher accuracy. All of these a lower sensitivity. a faster response. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be 0.5 mA. 100 mA. 1mA. 10 mA. 0.5 mA. 100 mA. 1mA. 10 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In flux meter, the controlling torque is produced by spring. not provided at all. crossed coil mechanism. weight attached to the moving coil. spring. not provided at all. crossed coil mechanism. weight attached to the moving coil. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurement of a quantity is a comparison of an unknown quantity with known quantity. is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with another quantity. none of these. is a comparison of an unknown quantity with known quantity. is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with another quantity. none of these. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Potentiometer method of DC voltage measurement is more accurate than direct measurement using a voltmeter because It loads the circuit to maximum extent. It does not load the circuit at all. It loads the circuit moderately. It uses centre zero galvanometer instead of voltmeter. It loads the circuit to maximum extent. It does not load the circuit at all. It loads the circuit moderately. It uses centre zero galvanometer instead of voltmeter. ANSWER DOWNLOAD EXAMIANS APP
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