/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 28 When a tiode is forward-biased, ... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 1: Problem 28

When a tiode is forward-biased, (a) the only current is hole curnent (b) the only current is electron current (c) the only carrent is produced by magority carriens (d) the current is produced by both holes and electrons

Short Answer

Expert verified
In a forward-biased diode, the current is produced by both holes and electrons, as both types of charge carriers contribute to the overall current flow. The correct answer is (d) the current is produced by both holes and electrons.

Step by step solution

01

Understand forward-biased diode

A diode is forward-biased when the p-type semiconductor is connected to the positive terminal and the n-type semiconductor is connected to the negative terminal of the power supply. In this condition, the junction barrier decreases allowing current to flow through the diode.
02

Hole current and electron current

In a semiconductor, there are two types of charge carriers: holes and electrons. Holes are the absence of electrons and contribute to the hole current in the material, while the electrons contribute to the electron current. In a semiconductor diode, both hole and electron currents contribute to the overall current flow.
03

Majority carriers

Majority carriers refer to the dominant type of charge carriers in a particular semiconductor material. For p-type semiconductors, majority carriers are holes and for n-type semiconductors, majority carriers are electrons.
04

Determine the current flow in a forward-biased diode

Since we know that a forward-biased diode allows current to flow due to the decrease in the junction barrier and the current is contributed by both holes and electrons, the correct statement about the current flow in the diode will be: (d) the current is produced by both holes and electrons

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Each atom in a silicon crystal has (a) four valence electrons (b) four conduction electroro (c) eight valence electrons, four of its own and four shered (d) no valence electrons becasse all are shared with other atoms

For a silicon diccle, the value of the forwoust-bias voltage typically (a) must he greater than \(0.3 \mathrm{~V}\) (b) must be greater than \(0.7 \mathrm{~V}\) (c) depends on the width of the depletion region (d) depends on the concentration of majerity carriers

The process of adding an itrpurity to ar intrinsic semiconductor is called (a) doping (b) recombinatious (e) usumic modification (d) ionization

The positive lead of an ohmmeter is connected to the inode of a dinde and tie nepative lead is connected to the cathode. The diode is (a) reversed-biased (b) open (c) forward-hissed (d) faulty (e) answers (b) and (d)

The valence shell in a silicon atom has the number dexignation of (a) 0 (b) 1 (c) 2 (d) 3
See all solutions

Recommended explanations on Physics Textbooks

Kinematics Physics

Read Explanation

Radiation

Read Explanation

Circular Motion and Gravitation

Read Explanation

Classical Mechanics

Read Explanation

Linear Momentum

Read Explanation

Space Physics

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.