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 25.4. 54.2. 31.4. 20. 25.4. 54.2. 31.4. 20. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is 0.25V 0.01V 0.05V 0.01V 0.25V 0.01V 0.05V 0.01V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ? ± 1% ±3.5% ± 2.5% ± 1.5% ± 1% ±3.5% ± 2.5% ± 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The best type of meter moment is ______ moment. Iron- vane None of the listed here Dynamometer D'Arsonval Iron- vane None of the listed here Dynamometer D'Arsonval ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation No eddy current and hysteresis losses occur in Electrodynamo meter instruments PMMC instruments Electrostatic instruments Moving iron instruments Electrodynamo meter instruments PMMC instruments Electrostatic instruments Moving iron instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The operating voltage of a megger is about 6 V 40 V 100 V 12 V 6 V 40 V 100 V 12 V ANSWER DOWNLOAD EXAMIANS APP
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