Physics Electrostatics DUHS 2023
PMDC Verified Question 54 of 131
Q.171 What does the electric field around a charge represent?
A
Size of the charge
B
Effective area for electrostatic force
C
Path followed by the charge
D
Speed of the charge
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Effective area for electrostatic force
1. Concept:

Historically, an electric field is described as an invisible 'sphere of influence' permeating the space surrounding a source charge.

2. Formula:

$$ \vec{F} = q_0 \vec{E} $$

3. Solution:

  • The field dictates the strict geographic "effective area" (or more accurately, the 3D volume) within which another charged particle will successfully "feel" an electrostatic pushing or pulling force.


4. Why other options are incorrect:

The field does not represent physical size (Option A). Field lines can imply a path, but the field itself represents the force capability, not the motion (Option C). Electrostatics explicitly ignores speed (Option D).

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

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