Measurement and Instrumentation The range of a moving iron ac ammeter is extended by Changing number of turns of operating coil A shunt A multiplier None of the listed here Changing number of turns of operating coil A shunt A multiplier 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 ± 3.5% ± 1.5% ± 1% ± 2.5% ± 3.5% ± 1.5% ± 1% ± 2.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of Contact resistance. All of above. Resistance of connecting leads. Thermoelectric emfs. Contact resistance. All of above. Resistance of connecting leads. Thermoelectric emfs. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion (A) : Precision is a necessary prerequisiteof accuracy. Reason (R) : Precision guarantees accuracy. A is true but R is false A is false bur R is true Both A and R are true and R is the correct explanation of A Both A and R are true but R is NOT the correct explanation of A A is true but R is false A is false bur R is true Both A and R are true and R is the correct explanation of A Both A and R are true but R is NOT the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used standard capacitor is Multiplate parallel plate type Spherical type Concentric cylindrical type Electrostatic type Multiplate parallel plate type Spherical type Concentric cylindrical type Electrostatic type ANSWER DOWNLOAD EXAMIANS APP
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? None of these 28.12 W. 32.56 W . 25.45 W. None of these 28.12 W. 32.56 W . 25.45 W. ANSWER DOWNLOAD EXAMIANS APP
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