Ponits about electric field, Physics

Assignment Help:

Which of the following isn't true of an electric field?

Answer

An electric field can as well as does exist in vacuum. Except for the one about vacuum the entire the answers are part of the definition of the electric field. It is an electric field in the vacuum in a television picture tube which accelerates electrons to the front of the picture tube where they crash into a phosphorescent coating causing the latter to emit the light which we see as television images.


Related Discussions:- Ponits about electric field

Determine the percent error in acceleration, A student calculates the accel...

A student calculates the acceleration due to gravity and determine it to be 9.72 m/s 2 . What is his percent error, if the accepted value is 9.81 m/s 2 ?   Q. You estimate that th

Determine dispersive power, A crown glass prism has refractive indices 1.57...

A crown glass prism has refractive indices 1.575 and 1.585 for blue and red colours. Determine its dispersive power. What are the basic conditions for a pair of thin prisms to p

Nicols prism, give full detail of nicols prism about 20 to 30 pages

give full detail of nicols prism about 20 to 30 pages

Illustrate thevenins theorem, Use Thévenin's theorem to find the current ?o...

Use Thévenin's theorem to find the current ?owing in the 14Ω resistor of the network shown in Figure. Find also the power dissipated in the 14Ω resistor.

Field lines, Field Lines A field line is a locus in which is described...

Field Lines A field line is a locus in which is described through a vector field and a beginning location within the field. Field lines are meaningful for visualizing vector f

Newton''s corpuscular theory, Newton's Corpuscular Theory: Newton's cor...

Newton's Corpuscular Theory: Newton's corpuscular theory of light states that 1. Light is emitted form of tiny particles is known as corpuscles. 2. The corpuscles travel

Can two candles be taken as coherent sources, Can two candles be taken as c...

Can two candles be taken as coherent sources? Explain how.

Why capacitor blocks d.c. but allows a.c., Q. A capacitor blocks d.c. but a...

Q. A capacitor blocks d.c. but allows a.c. Why? Capacitive reactance   XC = 1/ω C        = 1 / 2πν C Where ν is the frequency of the a.c. supply. In a d.c. circuit

Grouping of Capacitors, Hi Can u guide me how to solve numericals on Group...

Hi Can u guide me how to solve numericals on Grouping of Capacitors. Thanks & Regards Raj

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd