Measurement and Instrumentation Alternating current is measured by Moving iron repulsion type voltmeter Induction ammeter Permanent magnet type ammeter Electrostatic ammeter Moving iron repulsion type voltmeter Induction ammeter Permanent magnet type ammeter Electrostatic ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A null type instrument as compared to a deflected type instrument has a lower sensitivity. a faster response. a higher accuracy. All of these a lower sensitivity. a faster response. a higher accuracy. All of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 1 mA. 4 mA. 3 mA. 2 mA. 1 mA. 4 mA. 3 mA. 2 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltmeter using thermocouple measures Average value. Peak to peak value. rms value. Peak value. Average value. Peak to peak value. rms value. Peak value. 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. Zero. 2√2V. √2V. 2V. Zero. 2√2V. √2V. 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 4.54 V. 5 V. 4.38 V. 3.53 V. 4.54 V. 5 V. 4.38 V. 3.53 V. ANSWER DOWNLOAD EXAMIANS APP
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