Measurement and Instrumentation In a ballistic galvanometer, the deflecting torque is proportional to Square-root of current through coil The current through coil Sine of measured Square of current through coil Square-root of current through coil The current through coil Sine of measured Square of current through coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured I1 = 150 ± 3A , I2 = 250 ± 4 A, where the limits of error are given as standard deviations. I is measured as (400 ± 2.24) A (400 ±5) A (400 ± 3) A (400 ± 1) A (400 ± 2.24) A (400 ±5) A (400 ± 3) A (400 ± 1) A ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of an ammeter should be High Medium Very small Infinity High Medium Very small Infinity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The pointer of an indicating instrument should be Very heavy Very light Either light or heavy None of the listed here Very heavy Very light Either light or heavy None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Some wire- wound resistors have bifilar winding. This type of winding is used to 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 Reduce the inductance of winding Double the power rating of the resistor ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many fundamental units are there ? 8 6 7 4 8 6 7 4 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS