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 5.2% 10.2% 1.2% 25.2% 5.2% 10.2% 1.2% 25.2% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a single phase energy meter, braking torque is provided by None of the listed here Permanent magnet Air friction Fluid friction None of the listed here Permanent magnet Air friction Fluid friction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 1 mA meter is to be converted to 1 A ammeter. The meter resistance is 100 Ω. The value of shunt resistance 0.001 Ω. 100 Ω. 0.1001 Ω. 1000 Ω. 0.001 Ω. 100 Ω. 0.1001 Ω. 1000 Ω. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because effect of contact and lead resistance is eliminated. resistance variation due to temperature. there is no thermo electric emf. it has high sensitivity. effect of contact and lead resistance is eliminated. resistance variation due to temperature. there is no thermo electric emf. it has high sensitivity. 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. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used? 49.99 Ohms 2 Ohms 1/49.99 ohms 1 Ohm 49.99 Ohms 2 Ohms 1/49.99 ohms 1 Ohm ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following meters has maximum loading effect on the circuit under measurement ? 100 Ω/volt 1000 Ω/volt 1 MΩ/volt 10 MΩ/volt 100 Ω/volt 1000 Ω/volt 1 MΩ/volt 10 MΩ/volt ANSWER DOWNLOAD EXAMIANS APP
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