Measurement and Instrumentation Which of following voltmeters would you use for measuring voltage across 20KΩ resistance None of above. Voltmeter having sensitivity of 10 KW/V. Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 1 KW/V. None of above. Voltmeter having sensitivity of 10 KW/V. Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 1 KW/V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the following devices may be used for extending the range of instruments? Shunt All of the listed here Current transformers Potential transformers Shunt All of the listed here Current transformers Potential transformers 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 250 V. 260 V. 252 V. 248 V. 250 V. 260 V. 252 V. 248 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Most sensitive galvanometer is Spot ballastic galvanometer Vibration galvanometer Elastic galvanometer Duddle galvanometer Spot ballastic galvanometer Vibration galvanometer Elastic galvanometer Duddle galvanometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as 3600 rev/KWh. 1000 rev/KWh. 3750 rev/KWh. 960 rev/KWh. 3600 rev/KWh. 1000 rev/KWh. 3750 rev/KWh. 960 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 10MHz CRO has 10MHz vertical oscillator 10MHz supply frequency 5MHz sweep 10MHz horizontal oscillator 10MHz vertical oscillator 10MHz supply frequency 5MHz sweep 10MHz horizontal oscillator ANSWER DOWNLOAD EXAMIANS APP
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