Diodes

IMPORTANT

Diodes: Overview

This Topic covers sub-topics such as Zener Diode, P-N Junction Diode, Solar Cell, Photo Diode, Zener Diode as Voltage Stabiliser, Light-Emitting Diode, Rectifier, p-n Junction, Avalanche Breakdown, Working of Solar Cell, Zener Effect and, Zener Breakdown

Important Questions on Diodes

MEDIUM
IMPORTANT

The following IV characteristics. Curve is of a:

Question Image

EASY
IMPORTANT

The reverse current in a Zener diode starts increasing suddenly at a relatively low breakdown voltage of 5 V or so. Is this statement true or false?

MEDIUM
IMPORTANT

Explain the construction of solar cell.

EASY
IMPORTANT

Is high the peak inverse voltage good?

EASY
IMPORTANT

How does peak inverse voltage affect rectifier?

EASY
IMPORTANT

How do you find peak inverse voltage?

EASY
IMPORTANT

What is peak inverse voltage and its importance?

EASY
IMPORTANT

Does the dynamic impedance of a Zener diode vary?

EASY
IMPORTANT

What is the value of dynamic impedance of parallel r l/c circuit at resonance?

EASY
IMPORTANT

How do you calculate dynamic forward resistance?

EASY
IMPORTANT

How does dynamic impedance vary with Zener current?

EASY
IMPORTANT

What is Zener and avalanche effect?

EASY
IMPORTANT

What is avalanche effect in semiconductor?

EASY
IMPORTANT

Who discovered Zener effect?

EASY
IMPORTANT

What is the difference between Zener effect and Avalanche effect?

EASY
IMPORTANT

What is the difference between auto transformer and transformer?

EASY
IMPORTANT

Which configuration do not need a center tapped transformer?

EASY
IMPORTANT

Where are center tapped transformer used?

EASY
IMPORTANT

What is a center tap in a transformer?

EASY
IMPORTANT

What is the principle of full wave rectifier?