Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-numerical-Hard-Class 12
Two point charges, q1 = 3 μC and q2 = -3 μC, are placed 0.1 m apart. What is the magnitude of the force exerted on each charge?
A
8.1 N
B
0.81 N
C
9.0 N
D
0.9 N
Correct Answer
Option A
Detailed Explanation
Using Coulomb's law, the force is calculated as F = k * |q1 * q2| / r^2. With k = 8.99 x 10^9 N m²/C², q1 = 3 x 10^-6 C, q2 = -3 x 10^-6 C, and r = 0.1 m, the magnitude of the force is 8.1 N.
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