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% 10.2% 1.2% 5.2% 25.2% 10.2% 1.2% 5.2% 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 3600 rev/KWh. 3750 rev/KWh. 1000 rev/KWh. 960 rev/KWh. 3600 rev/KWh. 3750 rev/KWh. 1000 rev/KWh. 960 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The use of thermocouple meters for AC measurement leads to scale which is expontial. square law. logarithmic. linear. expontial. square law. logarithmic. linear. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is none of above. 0. 0.5. 1. none of above. 0. 0.5. 1. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Some wire- wound resistors have bifilar winding. This type of winding is used to Reduce the inductance of winding Increase the thermal stability Reduce the tolerance Double the power rating of the resistor Reduce the inductance of winding Increase the thermal stability Reduce the tolerance Double the power rating of the resistor ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wien bridge is useful for measuring Very high frequency Low frequency High frequency Medium frequency Very high frequency Low frequency High frequency Medium frequency ANSWER DOWNLOAD EXAMIANS APP