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 100 V. 50 V. 25 V. 200 V. 100 V. 50 V. 25 V. 200 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is not correct? An electronic voltmeter draw appreciable current from the source. A shunt should have a very low resistance. An ammeter should have a very low resitance. Voltmeter should have very high resistance. An electronic voltmeter draw appreciable current from the source. A shunt should have a very low resistance. An ammeter should have a very low resitance. Voltmeter should have very high resistance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to Electrostatic coupling Both A and B Electromagnetic coupling None of these Electrostatic coupling Both A and B Electromagnetic coupling None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring a very high resistance we should use Kelvin's double bridge Wheat stone bridge Megger None of the listed here Kelvin's double bridge Wheat stone bridge Megger None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used? 99.99 ohms 100 K ohms 100 ohms 99.99 K ohms 99.99 ohms 100 K ohms 100 ohms 99.99 K ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A transducer measures a range of 0 – 200 N force with a resolution of 0.15 percent of full scale. What is the smallest change which can be measured by this transducer ? 0.3 N 6.66 N 0.15 N 3.33 N 0.3 N 6.66 N 0.15 N 3.33 N ANSWER DOWNLOAD EXAMIANS APP
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