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 V. (2 + √3/2)V. 5 V. 0 V. 2 V. (2 + √3/2)V. 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 3750 rev/KWh. 1000 rev/KWh. 960 rev/KWh. 3600 rev/KWh. 3750 rev/KWh. 1000 rev/KWh. 960 rev/KWh. 3600 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The Metric System is also called as: SI CGS None of these MKS system SI CGS None of these MKS system ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read 0 A None of the listed here 5 A 2.5 A 0 A None of the listed here 5 A 2.5 A 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? 100 ohms 99.99 K ohms 99.99 ohms 100 K ohms 100 ohms 99.99 K ohms 99.99 ohms 100 K ohms ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC instrument can be used as flux meter By using a high series resistance By making control springs of large moment of inertia By using a low resistance shunt By eliminating the control springs By using a high series resistance By making control springs of large moment of inertia By using a low resistance shunt By eliminating the control springs ANSWER DOWNLOAD EXAMIANS APP
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