Measurement and Instrumentation A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read 5 A 2.5 A None of the listed here 0 A 5 A 2.5 A None of the listed here 0 A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 4 2 5 1 4 2 5 1 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wien bridge is useful for measuring Medium frequency Very high frequency Low frequency High frequency Medium frequency Very high frequency Low frequency High frequency ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is 0.01V 0.05V 0.01V 0.25V 0.01V 0.05V 0.01V 0.25V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following units is a fundamental unit? Joule/sec Ampere Watt Newton Joule/sec Ampere Watt Newton ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A mulliammeter can be used as Wattmeter Voltmeter and ammeter Frequency meter Ohmmeter Wattmeter Voltmeter and ammeter Frequency meter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
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