What is the net electric field? - Socratic
2017年8月7日 · The electric field of a point charge is given by:. #vecE=kabs(q)/r^2# where #k# is the electrostatic constant, #q# is the magnitude of the charge, and #r# is the radius from the …
The Electric Field - Physics - Socratic
2014年5月17日 · A force field is a way to picture the effects that electric charges have on one another. Instead of talking about the force that a positive charge exerts on an electron, we can …
Why is the electric field inside a conductor zero? - Socratic
2014年7月19日 · Another question might involve the application of an electric field OUTSIDE the shere. If this were to occur, say an external positive charge were placed in close proximity to …
How does an electric field affect the movement of a charge?
2014年6月22日 · The electric field will exert a force that accelerates the charged particle. The electric field has a direction, positive to negative. This is the direction that the electric field will …
How does electric field relate to voltage? - Socratic
2015年5月14日 · The magnitude of the Electric field(#E#) can also be viewed as being the negative of the Potential gradient #((dV)/(dr))# So #" , "E=-(dV)/(dr) color(red)" {This is the …
Why do electric lines of force never cross? + Example - Socratic
2014年5月17日 · The short answer is if they did cross, they would represent a location with two different strong electric field vectors, something that can't exist in nature. Lines of force …
How does current relate to electric field? - Socratic
2015年6月3日 · Electric current is directly proportional to the voltage difference between the two terminals. We also are familiar with the fact that voltage difference between two points is also …
How does the strength of an object's electric field change with ...
2015年6月1日 · It depends on the source of the electric field. For a point charge, it reduces as 1/r^2 , if r is the distance from the charge. For a very long charged wire, it reduces as 1/r. But, …
Electric Force - Physics - Socratic
To represent this field we would need all of the arrows facing towards the origin, with longer ones close to the surface and shorter ones as we move farther away. We can now replace our Earth …
How does permittivity affect electric field intensity?
2015年6月1日 · Permittivity determines how an electric field affects or is affected my some material medium. If the electric field in a space is E is vacuum and we put a a material medium …