Measurement and Instrumentation In eddy current damping, disc or former is made of a material that is a Conductor but non magnetic Conductor but magnetic Non conductor and non magnetic Non conductor but magnetic Conductor but non magnetic Conductor but magnetic Non conductor and non magnetic Non conductor but magnetic ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read 5 A None of the listed here 0 A 2.5 A 5 A None of the listed here 0 A 2.5 A 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 0.25 A. 0.50 A. 0.70 A. 0.67 A. 0.25 A. 0.50 A. 0.70 A. 0.67 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 5.78 A. 4 A. 2 A. 4.47 A. 5.78 A. 4 A. 2 A. 4.47 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Ammeter Voltmeter Ballastic galvanometer Flux meter Ammeter Voltmeter Ballastic galvanometer Flux meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a wheatstone bridge, a change of 6 Ω in the unknown arm of bridge is required to produce a change in deflection of 2.4 mm of the galvanometer. The sensitivity is 0.4 mm/Ω 2.5 mm/Ω 0.8 mm/Ω 5.0 mm/Ω 0.4 mm/Ω 2.5 mm/Ω 0.8 mm/Ω 5.0 mm/Ω ANSWER DOWNLOAD EXAMIANS APP
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