Log out Go to App
Go to App

Learning Materials

Features

Discover

Chapter 20: Problem 2670

What should be the minimum length of the antenna capable of emitting audio signal of wave length \(\lambda ?\) (A) \((\lambda 4)\) (B) \((N 8)\) (C) \(\lambda\) (D) \((\lambda 2)\)

Short Answer

Expert verified
The minimum length of the antenna capable of emitting audio signal of wavelength \(\lambda\) should be \((\lambda / 4)\).

Step by step solution

01

Understand the relationship between antenna length and wavelength

The length of the antenna is directly related to the wavelength of the signal it can emit. For efficient transmission and reception of signals, the length of the antenna should be a multiple of the smallest possible fraction of the wavelength, which is a quarter-wavelength (\( \lambda / 4\)).
02

Evaluate each option

(A) \((\lambda / 4)\): This option represents the quarter-wavelength, which is the minimum length for efficient signal transmission. (B) \((N / 8)\): This option is not related to the wavelength. Hence, it is not a valid answer. (C) \(\lambda\): This option represents the full wavelength. Although an antenna of this length will work, it is not the minimum length required for efficient signal transmission. (D) \((\lambda / 2)\): This option represents the half-wavelength. As with the full wavelength, an antenna of this length will work, but it is not the minimum length required.
03

Choose the correct answer

Based on the above analysis, the correct answer is option (A) \((\lambda / 4)\), as it represents the minimum length of the antenna required for efficient signal transmission of a given wavelength.

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.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

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

Coaxial cable offers a band width approximately \(\mathrm{MHz}\) (A) 1 (B) 20 (C) 250 (D) 1000

The rms value of electric field of light coming from sun is $720 \mathrm{~N} / \mathrm{c}$. The average total energy density of electromagnetic wave is (A) \(6.37 \times 10^{-9} \mathrm{~J} / \mathrm{m}^{3}\) (B) \(4.58 \times 10^{-6} \mathrm{~J} / \mathrm{m}^{3}\) (C) \(81.35 \times 10^{-12} \mathrm{~J} / \mathrm{m}^{3}\) (A) \(3.3 \times 10^{-3} \mathrm{~J} / \mathrm{m}^{3}\)

The frequency of carries wave emitted from \(L-C\) oscillator of $10 \mu \mathrm{H}\( inductance and \)1 \mathrm{nF}$ capacitor is (A) \(1592 \mathrm{KHz}\) (B) \(1592 \mathrm{~Hz}\) (C) \(1592 \mathrm{MHz}\) (D) \(159.2 \mathrm{~Hz}\)

An antenna can transmit \(\quad\) radiation with more efficiency. (A) low frequency (B) high frequency (C) long wave length (D) None of these

For efficient transmission of a \(100 \mathrm{MHz}\) frequency wave, the minimum length of an antenna should be (A) \(3 \mathrm{~m}\) (B) \((3 / 4) \mathrm{m}\) (C) \(10 \mathrm{~m}\) (D) \(100 \mathrm{~m}\)
See all solutions

Recommended explanations on English Textbooks

Essay Plan

Read Explanation

Pragmatics

Read Explanation

Morphology

Read Explanation

Cues and Conventions

Read Explanation

Rhetoric

Read Explanation

English Language Study

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.

Sign-up for free