Measurement and Instrumentation In a moving coil instrument, the deflecting torque is proportional to Sine of the measurand Square of the current Current Squareroot of the current Sine of the measurand Square of the current Current Squareroot of the current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is measured from the relation R= P/I2, where P is the power fed into the circuit and I is the current flowing through it. If the limiting errors in the measurement of power and current are respectively ± 1.0% and ± 1.0%, then what will be the limiting error in measurement of resistance ? ±3.5% ± 1.5% ±0.5% ± 3.0% ±3.5% ± 1.5% ±0.5% ± 3.0% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The smallest change in measured variable to which instrument will respond is sensitivity. precision. accuracy. resolution. sensitivity. precision. accuracy. resolution. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The use of __________________ instruments is merely confined within laboratories as standardizing instrument. absolute. integrating. recording. indicating. absolute. integrating. recording. indicating. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is none of above. 0.5. 0. 1. none of above. 0.5. 0. 1. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.50 A. 0.25 A. 0.67 A. 0.70 A. 0.50 A. 0.25 A. 0.67 A. 0.70 A. ANSWER DOWNLOAD EXAMIANS APP
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