Measurement and Instrumentation Which amplifier in used in an electronic amplifier? Differential amplifier. Power amplifier. Wideband amplifier. Butter amplifer. Differential amplifier. Power amplifier. Wideband amplifier. Butter amplifer. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The terminals across the source are ______________________________ if a current source is to be neglected. short circuited open circuited replaced by a capacitor replaced by a source resistance short circuited open circuited replaced by a capacitor replaced by a source resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because 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. effect of contact and lead resistance is eliminated. it has high sensitivity. there is no thermo electric emf. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Swamping resistance is used to compensate both A and B. error due to temperature true variations. error due to strong magnetic field. none of these. both A and B. error due to temperature true variations. error due to strong magnetic field. none of these. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken From the same source as the unknown voltage From a source which is not the same as the unknown voltage Any of the above From a battery From the same source as the unknown voltage From a source which is not the same as the unknown voltage Any of the above From a battery ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The ratio of change in output to the change in the input is called repeatability precision sensitivity resolution repeatability precision sensitivity resolution ANSWER DOWNLOAD EXAMIANS APP