Physics-Coulomb's Law
NEET Physics Coulomb's Law MCQ Question
Type: MCQ-fact-Medium-Class 12
What is the value of the constant of proportionality k in Coulomb's law in SI units?
A
9 × 10^9 N m² C⁻²
B
8.99 × 10^9 N m² C⁻²
C
6.67 × 10^-11 N m² kg⁻²
D
6 × 10^-19 C
Correct Answer
Option A
Detailed Explanation
The constant k in Coulomb's law is approximately 9 × 10^9 N m² C⁻² as stated in the NCERT context.
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