Electric field E at a point due to a point charge q at distance r is:

Question

Accepted Answer

B. E = k q / r²

1. E = F / q_test = k q / r², independent of the test charge.
2. Direction: radially outward from positive q (inward for negative).
3. SI unit: N C⁻¹ = V m⁻¹.
_Source: syllabus Physics Ch 1 §1.6 Electric Field_

Answer

E = k q / r

Answer

E = k q² / r²

Answer

E = k q² / r

Electric field E at a point due to a point charge q at distance r is:

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