Understanding PN Diodes

Understanding PN Diodes

KG

5 Qs

quiz-placeholder

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Understanding PN Diodes

Understanding PN Diodes

Assessment

Quiz

Engineering

KG

Hard

Created by

Sudhanya P

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a PN diode?

A PN diode is a device that can store electrical energy like a capacitor.

A PN diode is a type of transistor used for amplifying signals.

A PN diode is a type of resistor that limits current flow.

A PN diode is a semiconductor device made of p-type and n-type materials that allows current to flow in one direction.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does a PN diode work?

A PN diode requires an external power source to operate.

A PN diode allows current to flow in one direction when forward-biased and blocks it when reverse-biased.

A PN diode allows current to flow in both directions.

A PN diode can amplify signals like a transistor.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the main applications of PN diodes?

Rectification, signal modulation, and light emission.

Magnetic field sensing, pressure measurement, and chemical analysis.

Power generation, data storage, and thermal insulation.

High-frequency communication, voltage regulation, and energy conversion.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between a PN diode and a Zener diode?

A PN diode allows current in one direction; a Zener diode allows reverse current at a specific voltage for regulation.

A PN diode can operate in both directions; a Zener diode cannot.

A PN diode has a higher breakdown voltage than a Zener diode.

A PN diode is used for voltage regulation; a Zener diode is not.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when a PN diode is reverse-biased?

The diode conducts current and reduces the depletion region.

The diode generates heat and increases current flow.

The diode becomes a short circuit and allows unlimited current.

The diode blocks current flow and widens the depletion region.