Charge of Black Holes: Mass Dependency Explained

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In summary, the electric charge of a black hole is independent from its mass and gives rise to an electrostatic field similar to ordinary charged material. A black hole with a large excess charge would attract matter with the opposite charge more strongly, leading to neutralization. This process can occur in all objects, not just black holes.
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spidey
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How to find the charge of black hole?
Does charge depends on the mass of black hole?
 
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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.
 
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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?
 

1. What is the charge of a black hole?

The charge of a black hole refers to the electric charge that a black hole possesses. This is a property that is associated with the electromagnetic force and can impact how a black hole interacts with its surroundings.

2. How does the mass of a black hole affect its charge?

The mass of a black hole does not directly affect its charge. However, the charge of a black hole can impact its mass, as well as the way it interacts with matter and radiation.

3. Can black holes have a positive or negative charge?

Yes, black holes can have either a positive or negative charge. This charge is determined by the amount of electric charge that the black hole has absorbed from its environment.

4. What is the relationship between a black hole's charge and its event horizon?

The charge of a black hole can impact the size and shape of its event horizon. A charged black hole will have a more distorted and elongated event horizon compared to a non-charged black hole.

5. How does the charge of a black hole affect its gravitational pull?

The charge of a black hole can impact its gravitational pull by affecting the way it interacts with matter and radiation. A charged black hole can also experience a repulsive force due to the electromagnetic force, which can counteract its gravitational pull.

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