Measurement and Instrumentation The resistance offered to the passage of an in-varying current by a column of mercury at the temperature of melting ice of mass 14.4521 gms of uniform cross-sectional area and length 106.3cm is Standard ohm One ohm according to working standards One international ohm One ohm according to SI units Standard ohm One ohm according to working standards One international ohm One ohm according to SI units 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 The scale of a rectifier instrument is Either linear or non linear Linear None of the listed here Non-linear Either linear or non linear Linear None of the listed here Non-linear ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectric effect is carried out in m derived. composite filter. crystal filter. constant k prototype. m derived. composite filter. crystal filter. constant k prototype. 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 Double the power rating of the resistor Reduce the tolerance Increase the thermal stability Reduce the inductance of winding Double the power rating of the resistor Reduce the tolerance Increase the thermal stability ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as (400 ± 1) A (400 ± 2.24) A (400 ± 1.5) A (400 ± 3) A (400 ± 1) A (400 ± 2.24) A (400 ± 1.5) A (400 ± 3) A ANSWER DOWNLOAD EXAMIANS APP