Measurement and Instrumentation When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is small. very high. ideally zero. high. small. very high. ideally zero. high. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? VTVM. Moving - coil meter. Moving - iron meter. Thermocouple meter. VTVM. Moving - coil meter. Moving - iron meter. Thermocouple meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The controlling torque of an indicating instrument ______ as the deflection of the moving system increases. Decreases None of the listed here Remains same Increases Decreases None of the listed here Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Potentiometer method of DC voltage measurement is more accurate than direct measurement using a voltmeter because 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. It loads the circuit to maximum extent. It does not load the circuit at all. It loads the circuit moderately. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is a vector quantity? Magnetic potential. Magnetic field intensity. Relative permeability. Flux density. Magnetic potential. Magnetic field intensity. Relative permeability. Flux density. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is 0.01V 0.01V 0.05V 0.25V 0.01V 0.01V 0.05V 0.25V ANSWER DOWNLOAD EXAMIANS APP
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