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Results tagged with charge
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user 27628
A fundamental property of matter which causes it to experience electromagnetic forces.
2
votes
1
answer
1k
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What will happen if the charge do not exist? [closed]
I don't know the reason of indispensability of charge, maybe some physical laws guarantee that the charge must be exist. If it is ture, could you tell me the detail about it? … My interest is what will happen if the charge do not exist in our world or universe.
Without charge, the electromagnetic field still exist, such as electromagnetic wave. …
- 1,211
2
votes
What determines how much electrical charge an object can hold?
Hence, the maximum electric charge that an object can hold should make the energy unchanged in the process of removing electron. … If its radius is $R$, the work function is $W$, the maximum electric charge that it can hold is $Q$, then $$\frac{1}{4 \pi \epsilon_0} \frac{Qe}{R}=W$$
the left side is the change of electrical energy. …
- 1,211
1
vote
Electric charge is lorentz invariant
My textbook says that if electric charge was not invariant under Lorentz's transformation, then atoms would have charge. We know that atoms are neutral, so electric charge must be invariant. …
- 1,211