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

What is a temperature scales, What is a Temperature Scales? Fahrenheit,...

What is a Temperature Scales? Fahrenheit, Celsius and Kelvin were scientists who studied how heat and temperature work. The most familiar scale to Americans (until the time tha

Explain electromagnetic waves transverse, Using the Maxwell's equation expl...

Using the Maxwell's equation explain that electromagnetic waves transverse in nature.

Define specific gravity, Q. Define Specific Gravity? Answer:- Spec...

Q. Define Specific Gravity? Answer:- Specific Gravity SG is a unit fewer quantities that gives the scientist or engineers an idea of how dense a substance is compared to w

Image formation for concave mirrors - case a, Image Formation for Concave M...

Image Formation for Concave Mirrors - Case A To look an object within any type of mirror, a person must sight along a line at the image of the object. Whole persons capable of

Various types of fixed- value resistors , Th e fixed value resistors are t...

Th e fixed value resistors are those whose resistance are fixed and cannot be changed. The fixed resistors can be further subdivided into following categories. (a)

Electrostatics, is the potential in the cavity of a charged conductor zero

is the potential in the cavity of a charged conductor zero

Illustrate tangent law in magnetism, Illustrate "Tangent law" in magnetism....

Illustrate "Tangent law" in magnetism. Compare magnetic moment of two bar magnet in a tan A, tan B position by null method or equal distance method.

Explain momentum or linear momentum, MOMENTUM OR LINEAR MOMENTUM. It is...

MOMENTUM OR LINEAR MOMENTUM. It is described as "The product of mass and velocity of the body".                                 OR "The quantity of linear motion of a bod

Are fibers safe, Are fibers safe? Fiber optics are passive components, ...

Are fibers safe? Fiber optics are passive components, hence do not use power to generate light, like the case with lamps. When light conductors only carry light from one point

Which path requires the most energy, Which Path Requires the Most Energy ...

Which Path Requires the Most Energy This condition that can be simulated through use of a easy physics lab in that a force is applied to raise a cart up an incline at stable sp

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