Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Hot wire Thermocouple Moving iron Dynamometer Hot wire Thermocouple Moving iron Dynamometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be 25 W. 0 W. 50 W. 100 W. 25 W. 0 W. 50 W. 100 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a dynamometer wattmeter, the moving coil is the Current coil Current coil and potential coil Potential coil None of the listed here Current coil Current coil and potential coil Potential coil None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The dynamometer principle can be used for ammeter, voltmeter and wattmeter. ammeter only. voltmeter only. wattmeter only. ammeter, voltmeter and wattmeter. ammeter only. voltmeter only. wattmeter only. 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 5 V. 4.54 V. 4.38 V. 3.53 V. 5 V. 4.54 V. 4.38 V. 3.53 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is 0.05mA 0.007mA 0.1mA 0.023mA 0.05mA 0.007mA 0.1mA 0.023mA ANSWER DOWNLOAD EXAMIANS APP
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