Charged black holes

In another thread 'Dave' asks,

So if I have an uncharged black hole,
then fire electrons it it, it'll become
positive?

Look at it this way- all the mass ingested by a BH is composed of
protons, neutrons and electrons. The electrons' total mass is miniscule
compared to the mass of the protons/neutrons. So the electrons' negative
charge influence is going to be miniscule.
With the neutrons electrically neutral, the great
preponderance of the charge is therefore dictated by the protons, and it
is positive(+). So a pristine BH should be of positive charge.
If you fire 'enough' electrons into a BH, it would make
the BH 'less' positive. Continually firing more and more electrons into
it would make it less and less positive and finally neutral; firing
still more electrons would finally make it negative (all hypothetical
thinking of course). oc

"Bill Sheppard" wrote in message
...
In another thread 'Dave' asks,

So if I have an uncharged black hole,
then fire electrons it it, it'll become
positive?

Look at it this way- all the mass ingested by a BH is composed of
protons, neutrons and electrons. The electrons' total mass is miniscule
compared to the mass of the protons/neutrons. So the electrons' negative
charge influence is going to be miniscule.

Bill, do you want to think about this again?

The charge on an electron is the same magnitude as the charge on a proton,
the only difference is the sign.

Therefore if a BH swallows equal numbers of electrons and protons it will be
electrically neutral.

"Bill Sheppard" wrote in message
...
In another thread 'Dave' asks,

So if I have an uncharged black hole,
then fire electrons it it, it'll become
positive?

Look at it this way- all the mass ingested by a BH is composed of
protons, neutrons and electrons. The electrons' total mass is miniscule
compared to the mass of the protons/neutrons. So the electrons' negative
charge influence is going to be miniscule.

Bill, do you want to think about this again?

The charge on an electron is the same magnitude as the charge on a proton,
the only difference is the sign.

Therefore if a BH swallows equal numbers of electrons and protons it will be
electrically neutral.

"Bill Sheppard" wrote in message
...
In another thread 'Dave' asks,

So if I have an uncharged black hole,
then fire electrons it it, it'll become
positive?

Look at it this way- all the mass ingested by a BH is composed of
protons, neutrons and electrons. The electrons' total mass is miniscule

But in your "theory" of gravity I thought that only hadrons suck space, so
should not the mass of an electron be zero???


compared to the mass of the protons/neutrons. So the electrons' negative
charge influence is going to be miniscule.
With the neutrons electrically neutral, the great
preponderance of the charge is therefore dictated by the protons, and it
is positive(+). So a pristine BH should be of positive charge.
If you fire 'enough' electrons into a BH, it would make
the BH 'less' positive. Continually firing more and more electrons into
it would make it less and less positive and finally neutral; firing
still more electrons would finally make it negative (all hypothetical
thinking of course). oc

"Bill Sheppard" wrote in message
...
In another thread 'Dave' asks,

So if I have an uncharged black hole,
then fire electrons it it, it'll become
positive?

Look at it this way- all the mass ingested by a BH is composed of
protons, neutrons and electrons. The electrons' total mass is miniscule

But in your "theory" of gravity I thought that only hadrons suck space, so
should not the mass of an electron be zero???


compared to the mass of the protons/neutrons. So the electrons' negative
charge influence is going to be miniscule.
With the neutrons electrically neutral, the great
preponderance of the charge is therefore dictated by the protons, and it
is positive(+). So a pristine BH should be of positive charge.
If you fire 'enough' electrons into a BH, it would make
the BH 'less' positive. Continually firing more and more electrons into
it would make it less and less positive and finally neutral; firing
still more electrons would finally make it negative (all hypothetical
thinking of course). oc

In message , OG
writes

"Bill Sheppard" wrote in message
...
In another thread 'Dave' asks,

So if I have an uncharged black hole,
then fire electrons it it, it'll become
positive?

Look at it this way- all the mass ingested by a BH is composed of
protons, neutrons and electrons. The electrons' total mass is miniscule
compared to the mass of the protons/neutrons. So the electrons' negative
charge influence is going to be miniscule.

Bill, do you want to think about this again?

The charge on an electron is the same magnitude as the charge on a proton,
the only difference is the sign.

Therefore if a BH swallows equal numbers of electrons and protons it will be
electrically neutral.

I'll ignore the quite staggering misconceptions that have gone before
(such as electrons imparting a positive charge, and the mass of an
electron having something to do with its charge) and note that it's
quite possible to impart a charge to a BH by feeding it electrons or
protons. John Taylor's semi-popular book "Black Holes: The End of the
Universe" notes that this adds energy to the BH because like charges
repel.
--
"It is written in mathematical language"
Remove spam and invalid from address to reply.

In message , OG
writes

"Bill Sheppard" wrote in message
...
In another thread 'Dave' asks,

So if I have an uncharged black hole,
then fire electrons it it, it'll become
positive?

Look at it this way- all the mass ingested by a BH is composed of
protons, neutrons and electrons. The electrons' total mass is miniscule
compared to the mass of the protons/neutrons. So the electrons' negative
charge influence is going to be miniscule.

Bill, do you want to think about this again?

The charge on an electron is the same magnitude as the charge on a proton,
the only difference is the sign.

Therefore if a BH swallows equal numbers of electrons and protons it will be
electrically neutral.

I'll ignore the quite staggering misconceptions that have gone before
(such as electrons imparting a positive charge, and the mass of an
electron having something to do with its charge) and note that it's
quite possible to impart a charge to a BH by feeding it electrons or
protons. John Taylor's semi-popular book "Black Holes: The End of the
Universe" notes that this adds energy to the BH because like charges
repel.
--
"It is written in mathematical language"
Remove spam and invalid from address to reply.

To OG and Zin,
Sure, the charge of the undegenerate electron is equal to
the proton's. But what happens when the electron's miniscule mass is
crammed into the much more massive nucleus? Does the net charge still
remain neutral? If so, then I stand corrected. Any referances
appreciated, and thanks in advance.
oc

To OG and Zin,
Sure, the charge of the undegenerate electron is equal to
the proton's. But what happens when the electron's miniscule mass is
crammed into the much more massive nucleus? Does the net charge still
remain neutral? If so, then I stand corrected. Any referances
appreciated, and thanks in advance.
oc

"Bill Sheppard" wrote in message
...
To OG and Zin,
Sure, the charge of the undegenerate electron is equal to
the proton's. But what happens when the electron's miniscule mass is
crammed into the much more massive nucleus? Does the net charge still
remain neutral? If so, then I stand corrected. Any referances
appreciated, and thanks in advance.
oc

Just to set your mind at rest.
Yes, the net charge does remain neutral where equal numbers of electrons and
protons are added to a BH.

Can I prove this? No. However, charge has been conserved in all
appropriately observed cases to date, so it is reasonable to take this as
one of the fundamental principles of modern physics.

I thought you knew a bit about this stuff?