Measurement and Instrumentation The EMF of Weston standard cell is measured using Potentiometer Moving-coil meter Digital Volt meter Moving- iron meter Potentiometer Moving-coil meter Digital Volt meter Moving- iron meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a single phase energy meter, braking torque is provided by None of the listed here Permanent magnet Fluid friction Air friction None of the listed here Permanent magnet Fluid friction Air friction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If an inductance is connected in one arm of the bridge and resistance is the remaining three arms The bridge cannot be balanced The bridge can be balanced if the resistance have some specific values None of the listed here The bridge can always be balanced The bridge cannot be balanced The bridge can be balanced if the resistance have some specific values None of the listed here The bridge can always be balanced ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the measured value and the true value is called gross error relative error absolute error probable error gross error relative error absolute error probable error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads (2 + √3/2)V. 5 V. 0 V. 2 V. (2 + √3/2)V. 5 V. 0 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is not correct? Voltmeter should have very high resistance. An ammeter should have a very low resitance. An electronic voltmeter draw appreciable current from the source. A shunt should have a very low resistance. Voltmeter should have very high resistance. An ammeter should have a very low resitance. An electronic voltmeter draw appreciable current from the source. A shunt should have a very low resistance. ANSWER DOWNLOAD EXAMIANS APP
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