ELECTRONIC PRACTICE - Quiz

1) Which electronic circuit produces signal waves or pulses without an input?

Detector Amplifier Oscillator Modulator

2) Which circuit is essential to maintain oscillations or waves in an oscillator circuit?

Rectifier with filter Voltage multiplier Negative feed back Positive feed back

3) What is the main application of uni junction transistor?

Rectification Amplification Regulator circuits Triggering circuits

4) Which device has very high input impedance, low noise output, good linearity and low inter electrode capacity?

NPN transistor PNP transistor Field effect transistor Uni junction transistor

5) What is the difference in current control of MOSFET compared to JFETs?

Insulating layer instead of junction Using N material instead of P material Using P material instead of N material Using N material gate instead of P material