Why Is the Electric Flux from a Point Charge Only Half Through the XY Plane?

In summary, the conversation discusses a point charge +Q located 1 m below the x-y plane and the total electric flux passing through the x-y plane. It is noted that the answer should be Q/2, but the question remains as to how this is determined. The conversation further explores the arrangement of flux lines around the charge and the symmetry present in this scenario.
  • #1
Hammed
3
0
A point charge +Q is located 1 m below the x-y plane. What is the total electric flux passing through the x-y plane? I know the answer should be Q/2 but how?
 
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  • #2
Imagine field lines emanating radially from that point charge. Which field lines will cross that plane? Which will never make it to that plane?
 
  • #3
Hammed said:
A point charge +Q is located 1 m below the x-y plane. What is the total electric flux passing through the x-y plane? I know the answer should be Q/2 but how?
How will the flux lines be arranged around the charge? What symmetry is there?
 

1. What is an electrostatic problem?

An electrostatic problem is a situation in which there is a build-up of electric charge on an object or surface, resulting in the attraction or repulsion of other charged objects.

2. How is an electrostatic problem different from an electromagnetic problem?

An electrostatic problem involves stationary charges, while an electromagnetic problem involves moving charges and the interactions between them. In electrostatics, the electric field is constant, whereas in electromagnetics it is time-varying.

3. What are some real-life examples of electrostatic problems?

Some common examples of electrostatic problems include static cling between clothes, the shock you feel when touching a door handle after walking on carpet, and lightning strikes during a thunderstorm.

4. How can electrostatic problems be solved?

Electrostatic problems can be solved using mathematical equations and principles, such as Coulomb's Law and Gauss's Law, to calculate the magnitude and direction of the electric field and the resulting forces on charged objects.

5. What are the potential dangers of electrostatic problems?

Electrostatic problems can be dangerous in certain situations, such as when there is a build-up of static electricity near flammable materials, which can lead to sparks and fires. Additionally, electrostatic discharge can damage sensitive electronic equipment.

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