Can you have electricity without electric charge?
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No as electric charges are the electricity carriers
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Let's consider that we have two charged particles, which have no mass. Now since they are charged, they must either attract or repel each other. That means that some force will act on them, which will do work while moving them away from each other. Now, change in KE will be the work done. However, due to zero mass, change in KE will also be zero. But the two particles have moved in the potential generated by each of them. So where did this energy come from? Hence it is necessary that charged particles must have mass.
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