Charge of Black Holes: Mass Dependency Explained

  • Context: Undergrad 
  • Thread starter Thread starter spidey
  • Start date Start date
  • Tags Tags
    Charge
Click For Summary
SUMMARY

The electric charge of a black hole is determined solely by the charge of the matter that formed it and is independent of its mass. This charge generates an electrostatic field similar to that of ordinary charged materials. A black hole with significant excess charge will attract oppositely charged matter more strongly, leading to a neutralization effect. This phenomenon is not exclusive to black holes; it also occurs in stars and ordinary objects.

PREREQUISITES
  • Understanding of black hole formation and properties
  • Basic knowledge of electrostatics and electric charge
  • Familiarity with general relativity concepts
  • Knowledge of astrophysical phenomena
NEXT STEPS
  • Research the relationship between mass and charge in astrophysical objects
  • Explore the implications of electric charge in black hole physics
  • Learn about the neutralization process in various celestial bodies
  • Investigate the role of charge in the dynamics of black holes and their interactions
USEFUL FOR

Astronomers, physicists, and students interested in black hole research, electrostatics, and the dynamics of charged celestial bodies.

spidey
Messages
213
Reaction score
0
How to find the charge of black hole?
Does charge depends on the mass of black hole?
 
Astronomy news on Phys.org
spidey said:
How to find the charge of black hole?
Does charge depends on the mass of black hole?

The electric charge of a black hole is simply the sum of the electric charge that was on whatever matter formed it. It is independent from the mass. From a distance, it gives rise to the same sort of electrostatic field as ordinary charged material would at the same location. If a black hole had a very large excess electric charge of either sign, that would tend to make it attract matter with the opposite charge more strongly than matter with the same charge, which would tend to neutralize the excess charge.
 
Jonathan Scott said:
The electric charge of a black hole is simply the sum of the electric charge that was on whatever matter formed it. It is independent from the mass. From a distance, it gives rise to the same sort of electrostatic field as ordinary charged material would at the same location. If a black hole had a very large excess electric charge of either sign, that would tend to make it attract matter with the opposite charge more strongly than matter with the same charge, which would tend to neutralize the excess charge.

Thanks for the info...Is this neutralization process happens only in black holes Or it happens in all e.g. stars,ordinary objects?
 

Similar threads

  • · Replies 11 ·
Replies
11
Views
2K
  • · Replies 1 ·
Replies
1
Views
1K
  • · Replies 7 ·
Replies
7
Views
4K
  • · Replies 5 ·
Replies
5
Views
3K
  • · Replies 4 ·
Replies
4
Views
3K
  • · Replies 40 ·
2
Replies
40
Views
5K
  • · Replies 49 ·
2
Replies
49
Views
7K
  • · Replies 11 ·
Replies
11
Views
3K
  • · Replies 17 ·
Replies
17
Views
6K
  • · Replies 20 ·
Replies
20
Views
4K