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 + √3/2)V. 5 V. 2 V. 0 V. (2 + √3/2)V. 5 V. 2 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A multirange instrument has Multirange meters inside the measurement system Variable turns of coil Multicoil arrangement Multiple shunt or series resistance inside the meter Multirange meters inside the measurement system Variable turns of coil Multicoil arrangement Multiple shunt or series resistance inside the meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For a circuit given that I = 2 ± 5 % A, R = 100 ± 0.2 % Ω the limiting error in the power dissipation I2 R in the resistor R is 25.2% 1.2% 5.2% 10.2% 25.2% 1.2% 5.2% 10.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving coil instrument, the deflecting torque is proportional to Current Sine of the measurand Squareroot of the current Square of the current Current Sine of the measurand Squareroot of the current Square of the current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following meters has maximum loading effect on the circuit under measurement ? 1000 Ω/volt 1 MΩ/volt 100 Ω/volt 10 MΩ/volt 1000 Ω/volt 1 MΩ/volt 100 Ω/volt 10 MΩ/volt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A galvanometer has Eddy current damping Air friction damping Fluid friction damping Spring coil damping Eddy current damping Air friction damping Fluid friction damping Spring coil damping ANSWER DOWNLOAD EXAMIANS APP
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