Measurement and Instrumentation No eddy current and hysteresis losses occur in Moving iron instruments PMMC instruments Electrostatic instruments Electrodynamo meter instruments Moving iron instruments PMMC instruments Electrostatic instruments Electrodynamo meter instruments ANSWER DOWNLOAD EXAMIANS APP
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 50 V. 25 V. 200 V. 100 V. 50 V. 25 V. 200 V. 100 V. 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 1.2% 10.2% 25.2% 5.2% 1.2% 10.2% 25.2% 5.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of Weston standard cell is of order of 10 ohm. 1 ohm. 1000 ohm. 100 ohm. 10 ohm. 1 ohm. 1000 ohm. 100 ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of the two have same dimensions? Force and strain Force and stress Angular velocity and angular frequency None of these Force and strain Force and stress Angular velocity and angular frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the expression for momentum? change of velocity / time mass × acceleration force × displacement mass × velocity change of velocity / time mass × acceleration force × displacement mass × velocity ANSWER DOWNLOAD EXAMIANS APP