Measurement and Instrumentation The core flux in the CT of above question no.6, under the given operating conditions is 450 mWb. 1000 mWb. 225 mWb. 0. 450 mWb. 1000 mWb. 225 mWb. 0. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving coil instrument, the deflecting torque is proportional to Current Square of the current Sine of the measurand Squareroot of the current Current Square of the current Sine of the measurand Squareroot of the current 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. it has high sensitivity. there is no thermo electric emf. effect of contact and lead resistance is eliminated. resistance variation due to temperature. it has high sensitivity. there is no thermo electric emf. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement? The meter does not respond to DC signals The meter is calibrated for AC and it’s error for DC would be high The error is high due to hysteresis effect The error is high due to eddy current effect The meter does not respond to DC signals The meter is calibrated for AC and it’s error for DC would be high The error is high due to hysteresis effect The error is high due to eddy current effect ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A galvanometer has Spring coil damping Eddy current damping Fluid friction damping Air friction damping Spring coil damping Eddy current damping Fluid friction damping Air friction damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at Power frequencies High load on the transformer High frequencies Low frequencies Power frequencies High load on the transformer High frequencies Low frequencies ANSWER DOWNLOAD EXAMIANS APP
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