Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used? 1 Ohm 2 Ohms 49.99 Ohms 1/49.99 ohms 1 Ohm 2 Ohms 49.99 Ohms 1/49.99 ohms 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 0.25V 0.01V 0.01V 0.05V 0.25V 0.01V ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistance of a VARISTOR varies with Current Temperature Voltage Both Voltage and Temperature Current Temperature Voltage Both Voltage and Temperature ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a ballistic galvanometer, the deflecting torque is proportional to Square of current through coil Square-root of current through coil The current through coil Sine of measured Square of current through coil Square-root of current through coil The current through coil Sine of measured ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices should be used for accurate measurement of low D.C. voltage? None of these Small range thermocouple voltmeter C. potentiometer Small range moving coil voltmeter None of these Small range thermocouple voltmeter C. potentiometer Small range moving coil voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Some wire- wound resistors have bifilar winding. This type of winding is used to Increase the thermal stability Double the power rating of the resistor Reduce the tolerance Reduce the inductance of winding Increase the thermal stability Double the power rating of the resistor Reduce the tolerance Reduce the inductance of winding ANSWER DOWNLOAD EXAMIANS APP
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