which of the following statement is true about electrostatic law?
A.unlike charges repel,like charges attract
B.like charges repel,unlike charges attract
C.like charges do not react,unlike charges attract
D.unlik charges do not react,like charges attract
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Answer: A.unlike charges repel, like charges attract
Explanation:
Coulomb's law states that: 'The magnitude of the electrostatic force of attraction or repulsion between two point charges is directly proportional to the product of the magnitudes of charges and inversely proportional to the square of the distance between them. ... The force is along the straight line joining them.