Measurement and Instrumentation Which of following is not correct? An ammeter should have a very low resitance. A shunt should have a very low resistance. An electronic voltmeter draw appreciable current from the source. Voltmeter should have very high resistance. An ammeter should have a very low resitance. A shunt should have a very low resistance. An electronic voltmeter draw appreciable current from the source. Voltmeter should have very high resistance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The chemical effect of current is used in C. ammeter C. ammeter hour meter None of these C. energy meter C. ammeter C. ammeter hour meter None of these C. energy meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 25 mA. 40 mA. 80 mA. 50 mA. 25 mA. 40 mA. 80 mA. 50 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The material of the shunt should have _______ temperature co-efficient of resistance. Negligible None of the listed here Positive Negative Negligible None of the listed here Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter is a Integrating instrument Recording instrument Secondary instrument Absolute instrument Integrating instrument Recording instrument Secondary instrument Absolute instrument ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because Current will decrease resistance Voltage source will increase resistance None of these The ohmmeter has its own internal battery Current will decrease resistance Voltage source will increase resistance None of these The ohmmeter has its own internal battery ANSWER DOWNLOAD EXAMIANS APP
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