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 2 V. 5 V. 0 V. (2 + √3/2)V. 2 V. 5 V. 0 V. (2 + √3/2)V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.50 A. 0.70 A. 0.25 A. 0.67 A. 0.50 A. 0.70 A. 0.25 A. 0.67 A. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The controlling torque of an indicating instrument ______ as the deflection of the moving system increases. None of the listed here Increases Remains same Decreases None of the listed here Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation No eddy current and hysteresis losses occur in PMMC instruments Electrostatic instruments Moving iron instruments Electrodynamo meter instruments PMMC instruments Electrostatic instruments Moving iron instruments Electrodynamo meter instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A PMMC instrument can be used as flux meter By making control springs of large moment of inertia By using a high series resistance By using a low resistance shunt By eliminating the control springs By making control springs of large moment of inertia By using a high series resistance By using a low resistance shunt By eliminating the control springs ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measurement of mutual inductance we can use Maxwell's bridge Anderson bridge Heavyside bridge Any of the listed here Maxwell's bridge Anderson bridge Heavyside bridge Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
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