Measurement and Instrumentation Which of following is not correct? Voltmeter should have very high resistance. An ammeter should have a very low resitance. An electronic voltmeter draw appreciable current from the source. A shunt should have a very low resistance. Voltmeter should have very high resistance. An ammeter should have a very low resitance. An electronic voltmeter draw appreciable current from the source. A shunt should have a very low resistance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction type single phase energy meters measure electric energy in kWh Wh kW VAR kWh Wh kW VAR ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance can be measured most accurately by Megger Voltmeter-ammeter method Multimeter Bridge method Megger Voltmeter-ammeter method Multimeter Bridge method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for minimum effect on the current in the circuit. high accuracy. high sensitivity. high precision. minimum effect on the current in the circuit. high accuracy. high sensitivity. high precision. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2 V and an AC voltage source V2 = 3sin4t, the voltmeters reads 5 V. 0 V. (2 + √3/2)V. 2 V. 5 V. 0 V. (2 + √3/2)V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation _______ instruments are those which measure the total quantity of the electricity delivered in a particular time. Indicating Absolute Integrating Recording Indicating Absolute Integrating Recording ANSWER DOWNLOAD EXAMIANS APP