Measurement and Instrumentation The range of a moving iron ac ammeter is extended by Changing number of turns of operating coil A shunt A multiplier None of the listed here Changing number of turns of operating coil A shunt A multiplier None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To increase Q factor of a coil, the wire should be thick. long. thin. long and thin. thick. long. thin. long and thin. 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 15 V. 12.6 V. 11.1 V. 10.6 V. 15 V. 12.6 V. 11.1 V. 10.6 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In the bridge given in the figure, the reading of the high impedance voltmeter is - 3.33 V. 6.66 V. Zero. 4.20 V. - 3.33 V. 6.66 V. Zero. 4.20 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used? 99.99 K ohms 100 K ohms 99.99 ohms 100 ohms 99.99 K ohms 100 K ohms 99.99 ohms 100 ohms 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. 3.53 V. 5 V. 4.38 V. 4.54 V. 3.53 V. 5 V. 4.38 V. ANSWER DOWNLOAD EXAMIANS APP
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