1. A practical operational amplifier has:
Correct Answer is : Very high input impedance and very high voltage gain
2. A typical application for a zener diode is:
Correct Answer is : Voltage stabilization
3. A thyristor has which of the following:
Correct Answer is : High resistance when switched off
4. The forward voltage drop of a conducting silicon diode is approximately:
Correct Answer is : 0.6 V
5. The frequency of the ripple voltage present on the output of a bridge of a bridge rectifier fed from a 400 Hz Ac supply will be:
Correct Answer is : 200 Hz