Measurement and Instrumentation When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is 54.2. 25.4. 31.4. 20. 54.2. 25.4. 31.4. 20. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In induction type ammeter, _____ damping is provided. Fluid friction Air friction None of the listed here Eaddy current Fluid friction Air friction None of the listed here Eaddy current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be 1.5% 1.2% 1% 0.5% 1.5% 1.2% 1% 0.5% 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 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 Instrument transformers are Pottential transformers Power transformers Both current and potential transformers Current transformers Pottential transformers Power transformers Both current and potential transformers Current transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving iron ammeter may be compensated for frequency errors by A shunt resistance Shunt capacitance Series resistance A series inductance A shunt resistance Shunt capacitance Series resistance A series inductance ANSWER DOWNLOAD EXAMIANS APP
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