Measurement and Instrumentation The absolute measurement of resistance is done by Bridge Method Lorenz method Ohm’s law method Rayleigh method Bridge Method Lorenz method Ohm’s law method Rayleigh method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for high accuracy. high sensitivity. minimum effect on the current in the circuit. high precision. high accuracy. high sensitivity. minimum effect on the current in the circuit. high precision. ANSWER DOWNLOAD EXAMIANS APP
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 very high. high. ideally zero. small. very high. high. ideally zero. small. 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 Both A and R is true and R is correct explanation of A C. A is false R is true. Both A and R is true and R is not correct explanation of A. A is true R is false. Both A and R is true and R is correct explanation of A C. A is false R is true. Both A and R is true and R is not correct explanation of A. A is true R is false. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The high torque to weight ratio in an analog indicating instrument indicates nothing related to friction loss. low friction loss. none of these. high friction loss. nothing related to friction loss. low friction loss. none of these. high friction loss. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V? 2% 3.33% 5% 1% 2% 3.33% 5% 1% ANSWER DOWNLOAD EXAMIANS APP
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