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? 100 ohms 99.99 K ohms 100 K ohms 99.99 ohms 100 ohms 99.99 K ohms 100 K ohms 99.99 ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The error is high due to hysteresis effect The meter does not respond to DC signals The meter is calibrated for AC and it’s error for DC would be high The error is high due to eddy current effect The error is high due to hysteresis effect The meter does not respond to DC signals The meter is calibrated for AC and it’s error for DC would be high The error is high due to eddy current effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following voltmeters would you use for measuring voltage across 20KΩ resistance Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 10 KW/V. None of above. Voltmeter having sensitivity of 1 KW/V. Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 10 KW/V. None of above. Voltmeter having sensitivity of 1 KW/V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 2 Nm. 100 Nm. 1 Nm. 200 Nm. 2 Nm. 100 Nm. 1 Nm. 200 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Flux meter Ammeter Voltmeter Ballastic galvanometer Flux meter Ammeter Voltmeter Ballastic galvanometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The thermocouple instrument will measure Current Voltage None of these Flux Current Voltage None of these Flux ANSWER DOWNLOAD EXAMIANS APP
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