An instrumentation amplifier has a high output impedance. supply voltage. power gain. CMMR. TRUE ANSWER : ? YOUR ANSWER : ?
Class AB operation is often used in power large signal) amplifiers in order to Reducing collector dissipation Overcome a crossover distortion Remove even harmonics Get maximum efficiency TRUE ANSWER : ? YOUR ANSWER : ?
The arrow direction in diode symbol indicates direction of hole flow. direction of electron flow. opposite to the direction of hole flow. none of these. TRUE ANSWER : ? YOUR ANSWER : ?
The ideal value of stability factor of a biasing circuit is 1. 5. 100. 10. TRUE ANSWER : ? YOUR ANSWER : ?
Most small - signal E - MOSFETs are found in disk drives. discrete circuits. heavy - current applications. integrated circuit. TRUE ANSWER : ? YOUR ANSWER : ?
In deriving ac equivalent circuit for an amplifier circuit we short circuit All resistors All transistors All inductors All capacitors TRUE ANSWER : ? YOUR ANSWER : ?
What is true about the breakdown voltage in a zener diode? It destroys the diode. It equals the electric current times the resistance. It decreases when electric current increases. It is approximately constant. TRUE ANSWER : ? YOUR ANSWER : ?
When testing an npn transistor using an ohmmeter, the collector-emitter resistance will be low when the emitter is positive in respect to the collector. the transistor is defective. the collector is positive in respect to the emitter. the transistor is normal. TRUE ANSWER : ? YOUR ANSWER : ?