Two charges of magnitude 1uC and 2 uC are separated by 10cm in a medium of dielectric constant k-2. What is the force?
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Answer: 0.9N IS THE ANSWER.
Explanation:
F=q₁q₂/4πε₀×k×r²
=1×2×10⁻¹²×9×10⁹/2×0.1×0.1 (AS 1/4πε₀=9×10⁹AND 10cm=0.1m)
=0.9N
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