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Electric Charges and Fields (2nd PUC)
Coulomb's law, electric field, Gauss's law, dipole.
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Take a full mock →Q1 · Electric Charges and Fields (2nd PUC) · EASY
The electric field at a distance of 40 cm from a point charge is 500 N/C. The magnitude of the point charge is approximately: (Take 1/4πε₀ = 9 × 10⁹ N·m²/C²)