BE comps Mcq 3

Phenomena of sudden and drastic increase when a certain voltage is reached across a device is called _______________.

• Bounding

• Breakdown

• Bandwidth

• Modulation

Which fillter is widely used?

• Shunt C filter

• Series L filter

• LC filter

• Pi filter

What is the circuit in the given diagram called?

• Clipper

• Clamper

• Half wave rectifier

• Full wave rectifier

The PIV rating of a bridge rectifier in comparision with centre tapped rectifier is ________________.

• One half

• Twice

• Four times

• Same as centre tapped rectifier

The maximum efficiency of a half-wave rectifier is _________________.

• 40.6%

• 50%

• 65%

• 81.2%

For a sinusoidal input of 20 Vpeak to the given circuit, what is the minimum value of the output waveform?

• 0V

• 20V

• 25V

• -25V

Which of the following is not a necessary component in a clamper circuit?

• Diode

• Capacitor

• Resistor

• Independent DC Supply

Transistor biasing is generally provided by a ___________.

• Biasing circuit

• Bias battery

• Diode

• None

We thevenize which biasing circuit?

• Fixed bias

• Collector to base bias

• Base bias

• Voltage divider bias

Which diode is not reverse bias?

• zener diode

• schottky diode

• photodiode

• photovoltaic cell