Under what conditions might wires in a DC circuit emit electromagnetic waves?

Short Answer

Expert verified

Thus, the wire in an exceedingly DC circuit may produce electromagnetic waves when the wire gets heated because of the flow of the DC circuit.

Step by step solution

01

Definition of Electromagnetic waves

Electromagnetic waves: EM waves are another name for electromagnetic waves. Electromagnetic radiations are made up of electromagnetic waves created if an electric field meets up with a magnetic field.

02

Explanation of solution

The constant flow of charge per unit time is understood because of the DC circuit. Since the flow of charge per unit time is constant, the DC circuit doesn't produce varying electric fields and hence the DC current cannot produce electromagnetic waves on its own. However, the DC current will generate a relentless magnetic flux around the wire.

When DC starts flowing during a circuit then it takes some fraction of seconds to achieve a relentless value. During this point, the electrons are accelerating because of which no particulate radiation is produced. If the worth of the DC is extremely high, then it'll cause the heating and therefore the wire will get heated.

Because of this heating effect, it emits electromagnetic waves like infrared and visual light. But these electromagnetic waves will only be produced thanks to the heating effect of DC, undue to the flowing of DC current.

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 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

Make a list of some everyday objects and decide whether they are transparent or opaque to each of the types of electromagnetic waves.

Assume the helium-neon lasers commonly used in student physics laboratories have power outputs of 0.250mW. (a) If such a laser beam is projected onto a circular spot 1.00mm in diameter, what is its intensity? (b) Find the peak magnetic field strength. (c) Find the peak electric field strength.

(a) Calculate the rate in watts at which heat transfer through radiation occurs (almost entirely in the infrared) from1.0m2of the Earth’s surface at night. Assume the emissivity is 0.90,0.90 ,the temperature of the Earth islocalid="1655871883893" 15°C, and that of outer space is 2.7 K. (b) Compare the intensity of this radiation with that coming to the Earth from the Sun during the day, which averages about800W/m2, only half of which is absorbed. (c) What is the maximum magnetic field strength in the outgoing radiation, assuming it is a continuous wave?

Your friend says that more patterns and colors can be seen on the wings of birds if viewed in ultraviolet light. Would you agree with your friend? Explain your answer.

A 2.50-m -diameter university communications satellite dish receives TV signals that have a maximum electric field strength (for one channel) of 7.50μV/m. (See Figure24.28.) (a) What is the intensity of this wave? (b) What is the power received by the antenna? (c) If the orbiting satellite broadcasts uniformly over an area of 1.50×1013m2(a large fraction of North America), how much power does it radiate?

See all solutions

Recommended explanations on Physics Textbooks

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