Measurement and Instrumentation What is the approximate input impedance of a CRO? 0 1 MΩ 100 MΩ 10 MΩ 0 1 MΩ 100 MΩ 10 MΩ ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A multirange instrument has Multirange meters inside the measurement system Variable turns of coil Multiple shunt or series resistance inside the meter Multicoil arrangement Multirange meters inside the measurement system Variable turns of coil Multiple shunt or series resistance inside the meter Multicoil arrangement 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 100 W. 50 W. 25 W. 0 W. 100 W. 50 W. 25 W. 0 W. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pressure coil of a wattmeter should be connected on the supply side of the current coil when Load impedance is high Load impedance is low None of these Supply voltage is low Load impedance is high Load impedance is low None of these Supply voltage is low ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a single phase energy meter, braking torque is provided by None of the listed here Air friction Permanent magnet Fluid friction None of the listed here Air friction Permanent magnet Fluid friction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Swamping resistance is used to compensate none of these. both A and B. error due to strong magnetic field. error due to temperature true variations. none of these. both A and B. error due to strong magnetic field. error due to temperature true variations. ANSWER DOWNLOAD EXAMIANS APP
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