# Linked Questions

3answers
1k views

### How can flux be the number of electric field lines normal to a surface? [duplicate]

Shouldn't the number of field lines through any surface be infinite if there is a charge present. Or is there a finite number of field lines from a unit charge?
2answers
531 views

### Understanding field representation of force [duplicate]

I am reading the book The Evolution of Physics. I have a doubt in the topic "The field as representation". In this topic authors give the example of gravitational force represented as a field. In the ...
2answers
208 views

### Electrostatic field-Field lines relationship [duplicate]

How is the $\frac{1}{r^2}$ dependence of the electric field intensity due to a stationary point charge consistent with the concept of field lines?
1answer
115 views

### Some doubts about Field Lines [duplicate]

Take electric field lines as example. In EM textbooks it is stated that The tangent of a field line gives the direction of the electric field The density of field lines is proportional to the field ...
1answer
54 views

### Electric flux and electric field lines [duplicate]

Why we draw finite electric field lines passing through a surface when we can draw infinite ? also why electric flux is proportional to the number of lines passing through a surface ? i am confused ...
0answers
26 views

### What exactly is electric flux? [duplicate]

I have seen plenty of definitions and descriptions of electric flux. Most of them say it is the number of field lines per unit area. However how can there be a fixed number of field lines in a unit ...
0answers
22 views

### How does one start drawing electric fields? [duplicate]

How does one start drawing electric fields.you are given two charge.now there are infinite electric field lines so how do you show greater electric field by drawing denser lines.After all there can be ...
1answer
18 views

### Electromagnetic field lines [duplicate]

Okay so this is a pretty famous statement made to anyone who is introduced to the magnetic effects of electric current a.k.a. electromagnetism: The relative strength of the magnetic field is shown by ...
5answers
7k views

### Direction of the electric field of a negative point charge?

How can the direction of the electric field of a negative point charge be going in towards itself (radially), when the charge itself is generating the electric field? Is it generated at infinity then? ...
3answers
863 views

### Is the electric dipole moment a mathematical construct or does it have a counterpart in reality?

I've been looking on the net for electric point dipoles but couldn't find something useful (at least to me). The strange thing about an electric point dipole (the dipole moment pointing to the right ...
1answer
2k views

### Definition of a field line?

Ok so I finished by A-levels last year (english exams 18 year olds take) and we defined in my physics course we defined field lines (for an electric field) as: The path a free positive test charge ...
2answers
199 views

### Significance of electrical fields of infinite objects

I've noticed a pattern with the electric fields of charged objects of infinite dimensions. A point charge, which can be considered a charge of 0 dimensions, has an electric field that goes as $r^{-2}$...
1answer
1k views

### Electric field lines visualized - uneven distribution - correct or incorrect?

I have rendered an image, where two positive charges with equal electrical charges are present: I was told that the picture is not correct, because the field lines are getting "concentrated", so if I ...
2answers
468 views

### Will electric field lines begin or end at a point other than a charge? Feynman Lectures Vol II Chapter 1

In The Feynman Lectures on Physics Vol. II Ch. 1: Electromagnetism, the following is stated: There have been various inventions to help the mind visualize the behavior of fields. The most correct ...
1answer
740 views

### I'm confused about what streamlines are in electromagnetism

In the below picture, what exactly is the streamline? Is it the three blue curves or is it the E vector drawn? Also, to calculate the equation of the streamline, we are using the ratio of the ...

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