Measurement and Instrumentation In a dynamometer wattmeter, the moving coil is the Current coil Potential coil Current coil and potential coil None of the listed here Current coil Potential coil Current coil and potential coil None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance ± 1.5% ± 3.5% ± 2.5% ± 1% ± 1.5% ± 3.5% ± 2.5% ± 1% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Relative permittivity can be measured by _______ bridge Desautys. Wheatstones. Schering. Hays. Desautys. Wheatstones. Schering. Hays. 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 150W 200W 50W 100W 150W 200W 50W ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion(A): A low power factor wattmeter has special constructional features to ensure accurate measurment. Reason(R): Extension of wattmeter range in DC circuit can be easily done by using current and potential transformer A is true R is false. Both A and R is true and R is not correct explanation of A. Both A and R is true and R is correct explanation of A C. A is false R is true. A is true R is false. Both A and R is true and R is not correct explanation of A. Both A and R is true and R is correct explanation of A C. A is false R is true. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Voltmeter Flux meter Ballastic galvanometer Ammeter Voltmeter Flux meter Ballastic galvanometer Ammeter ANSWER DOWNLOAD EXAMIANS APP
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