Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because effect of contact and lead resistance is eliminated. it has high sensitivity. there is no thermo electric emf. resistance variation due to temperature. effect of contact and lead resistance is eliminated. it has high sensitivity. there is no thermo electric emf. resistance variation due to temperature. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The scale of a rectifier instrument is Either linear or non linear None of the listed here Linear Non-linear Either linear or non linear None of the listed here Linear Non-linear ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a portable instrument , the controlling torque is provided by Eddy currents All of the listed here Spring Gravity Eddy currents All of the listed here Spring Gravity ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Piezoelectric effect is carried out in crystal filter. constant k prototype. m derived. composite filter. crystal filter. constant k prototype. m derived. composite filter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation No eddy current and hysteresis losses occur in Electrostatic instruments Moving iron instruments PMMC instruments Electrodynamo meter instruments Electrostatic instruments Moving iron instruments PMMC instruments Electrodynamo meter instruments ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be 0.50 A. 0.67 A. 0.25 A. 0.70 A. 0.50 A. 0.67 A. 0.25 A. 0.70 A. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS