Two point charges repel each other with a force F when placed in a water of dielectric constant 81.What is the force between them when placed at the same distance in air?
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when charges are placed in a dielectric medium then force decrease coz force is inversely proportional to K( dielectric constant). Hence here when charges are placed in air then it becomes K times means 80 times to the previous force acting between the particles.
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when charges are placed in a dielectric medium then force decrease coz force is inversely proportional to K( dielectric constant). Hence here when charges are placed in air then it becomes K times means 80 times to the previous force acting between the particles
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