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 2.5 A 5 A 0 A None of the listed here 2.5 A 5 A 0 A None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance in the circuit of the moving coil of a dynamometer wattmeter should be Low High None of the listed here Almost zero Low High None of the listed here Almost zero ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In induction type ammeter, _____ damping is provided. Air friction None of the listed here Eaddy current Fluid friction Air friction None of the listed here Eaddy current Fluid friction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure 5 volts, if one selects a 0-100 volt range voltmeter which is accurate with in ± 1%, then the error in this measurement may be up to ± 20% ± 1.5% ± 2.5% ± 7.5 % ± 20% ± 1.5% ± 2.5% ± 7.5 % ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The controlling torque of an indicating instrument ______ as the deflection of the moving system increases. Decreases Increases None of the listed here Remains same Decreases Increases None of the listed here Remains same ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In AC circuits, the connection of measuring instruments cause loading effect errors which may effect both of above. only phase of the quantity being measured. only the magnitude of the quantity being measured. magnitude, phase and waveform of the quantity being measured. both of above. only phase of the quantity being measured. only the magnitude of the quantity being measured. magnitude, phase and waveform of the quantity being measured. ANSWER DOWNLOAD EXAMIANS APP