Can Electric Fields Pass Through Both Conductors and Insulators?

In summary, conductors and insulators do not allow electric fields to pass through for different reasons. Conductors block EM waves due to the principle of a Faraday cage, while insulators do not allow electric fields to pass through because the electrons in a conductor are free to move and must be at equilibrium.
  • #1
Godwin Kessy
91
0
Do both conductors and insulators allow electric fields through and why?
 
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  • #2
No, conductors block EM waves. That is the principle behind a Faraday cage.
 
  • #3
DaleSpam said:
No, conductors block EM waves. That is the principle behind a Faraday cage.

hey! Isnt that all about faradays cage is the principle under gaussians law, and by the way why conductors don't allow electric field pass through as the insulators do?
 
  • #4
Godwin Kessy said:
hey! Isnt that all about faradays cage is the principle under gaussians law, and by the way why conductors don't allow electric field pass through as the insulators do?

The electrons in a conductor are free to move. If there were an electric field, the electrons would accelerate. The only way for a conductor to be at equilibrium is for the electric field to be 0.
 
  • #5
Thanks man!
 

1. What is electric field permitivity?

Electric field permitivity, also known as the permittivity of free space, is a physical constant that describes the ability of a material to store an electric field.

2. How is electric field permitivity measured?

Electric field permitivity is measured using a unit called farads per meter (F/m). This unit represents the amount of electric flux that can be stored in a material per unit of electric field strength.

3. What is the relationship between electric field permitivity and electric field strength?

Electric field permitivity and electric field strength are inversely proportional. This means that as the electric field strength increases, the electric field permitivity decreases and vice versa.

4. How does electric field permitivity affect the behavior of electric fields?

Electric field permitivity determines the strength and extent of an electric field in a material. Materials with higher electric field permitivity can store more electric flux, resulting in a stronger and more extensive electric field.

5. Why is electric field permitivity important in scientific research?

Electric field permitivity is important in many areas of scientific research, including electromagnetism, electronics, and materials science. It helps scientists understand and predict the behavior of electric fields in different materials, which is crucial for developing new technologies and materials.

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