Measurement and Instrumentation The resistance can be measured most accurately by Megger Bridge method Multimeter Voltmeter-ammeter method Megger Bridge method Multimeter Voltmeter-ammeter method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring-controlled moving iron voltmeter draws a current of 1 mA for full scale value of 100V. If it draws a current of 0.5 mA, the meter reading is 25 V. 100 V. 200 V. 50 V. 25 V. 100 V. 200 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Moving iron instruments have _____ scale. Squared Log Uniform None of the listed here Squared Log Uniform None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most accurate measurement of unknown resistance will be by Potentiometer Ohmmeter Wheatstone bridge Voltmeter and ammeter Potentiometer Ohmmeter Wheatstone bridge Voltmeter and ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 252 V. 250 V. 260 V. 248 V. 252 V. 250 V. 260 V. 248 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land? 0.65 1 0.84 0.73 0.65 1 0.84 0.73 ANSWER DOWNLOAD EXAMIANS APP
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