Measurement and Instrumentation A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is 1% 2.5% 2% 1.5% 1% 2.5% 2% 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The function of shunt in an ammeter is to By pass the current None of the listed here Increase the resistance of ammeter Increase the sensitivity of the ammeter By pass the current None of the listed here Increase the resistance of ammeter Increase the sensitivity of the ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be 3.53 V. 4.54 V. 4.38 V. 5 V. 3.53 V. 4.54 V. 4.38 V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Swamping resistance is used to compensate error due to strong magnetic field. error due to temperature true variations. both A and B. none of these. error due to strong magnetic field. error due to temperature true variations. both A and B. none of these. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sinusoidal signal waveform, when observed on an oscilloscope, has a peak to peak amplitude of 6 cm. If the vertical sensitivity setting is 5 v/cm, then rms value of the voltage will be 11.1 V. 12.6 V. 10.6 V. 15 V. 11.1 V. 12.6 V. 10.6 V. 15 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following are integrating instruments? Wattmeters Voltmeters Ammeters Ampere hour and watt hour meters Wattmeters Voltmeters Ammeters Ampere hour and watt hour meters ANSWER DOWNLOAD EXAMIANS APP
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