Physics Electrostatics NUMS 2022
PMDC Verified Question 85 of 131
Q.145 Electric field intensity is:
A
Force per unit mass
B
Force per unit tesla
C
Force per unit charge
D
Force per unit watt
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: Force per unit charge
1. Concept:

Electric field intensity describes the local strength of an electric field, quantified by measuring how hard it pushes or pulls on an established test charge.

2. Formula:

$$ \vec{E} = \frac{\vec{F}}{q} $$

3. Solution:

  • By mapping exactly to the formula, the vector Field \( \vec{E} \) is equal to Force (Newtons) divided by Charge (Coulombs).


4. Why other options are incorrect:

Force per unit mass (Option A) defines the Gravitational Field strength (\( g \)). Tesla is a magnetic unit. Watt is a power unit.

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