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. 0 V. 5 V. 2 V. (2 + √3/2)V. 0 V. 5 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following instruments can be used to measure AC current only? Moving iron ammeter Permanent Magnet Type ammeter Induction type ammeter Moving iron voltmeter Moving iron ammeter Permanent Magnet Type ammeter Induction type ammeter Moving iron voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measured value of a resistance is 10.25 ohm, whereas its value of 10.22 ohm. What is absolute error of the measurement? 0.01 ohm. 0.03 ohm. 15.36 ohm. 10.26 ohm. 0.01 ohm. 0.03 ohm. 15.36 ohm. 10.26 ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A ______ device prevents the oscillation of the moving statem and enables the latter to reach its final position quickly Damping Controlling None of the listed here Deflecting Damping Controlling None of the listed here Deflecting ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is 2V. 2√2V. √2V. Zero. 2V. 2√2V. √2V. Zero. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following meters has maximum loading effect on the circuit under measurement ? 100 Ω/volt 1 MΩ/volt 1000 Ω/volt 10 MΩ/volt 100 Ω/volt 1 MΩ/volt 1000 Ω/volt 10 MΩ/volt ANSWER DOWNLOAD EXAMIANS APP
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