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Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. There are two types of electric charge: positive and negative (commonly carried by protons and electrons respectively). Like charges repel each other and unlike charges attract each other.
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Hey there ans in attachment
Step-by-step explanation:
r is in denominator when it is taken to other side of equal to sign it will multiply with r it become 2r
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