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 0.1mA 0.05mA 0.023mA 0.007mA 0.1mA 0.05mA 0.023mA 0.007mA ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltmeter has 100 scale divisions and can measure up to 100 V. Each division can be read to ½ division. The resolution of the voltmeter is 2 V 1.5 V 1 V 0.5 V 2 V 1.5 V 1 V 0.5 V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The error of an instrument is normally given as a percentage of Measured value Full-scale value Rms value Mean value Measured value Full-scale value Rms value Mean value ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is 2 kWh 1 kWh 4 kWh 3 kWh 2 kWh 1 kWh 4 kWh 3 kWh ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistor of 10kΩhms with 5% tolerance is connected in parallel with a 5kΩhms resistor of 10% tolerance. What is the tolerance limit for the parallel network? 8.33% 5% 10% 6.67% 8.33% 5% 10% 6.67% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure high frequency currents, we mostly use ______ ammeter. Dynamometer Thermocouple Moving iron Hot wire Dynamometer Thermocouple Moving iron Hot wire ANSWER DOWNLOAD EXAMIANS APP
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