Physics Electrostatics MDCAT 2013
PMDC Verified Question 124 of 131
Q.84 What is the charge stored on a \( 5\mu\text{F} \) capacitor charged to the potential difference of 12V?
A
\( 60\mu\text{C} \)
B
2.4 C
C
\( 2.4\mu\text{C} \)
D
60 C
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option A: \( 60\mu\text{C} \)
1. Concept:

The total charge stored on a capacitor is the product of its capacitance and the applied potential difference.

2. Formula:

$$ Q = C V $$

3. Solution:

  • Given values: \( C = 5 \times 10^{-6} \text{ F} \) and \( V = 12 \text{ V} \).


  • Calculate: \( Q = (5 \times 10^{-6}) \times 12 \)


  • Result: \( Q = 60 \times 10^{-6} \text{ C} = 60\mu\text{C} \)


4. Why other options are incorrect:

Option D forgets the micro (\( \mu \)) prefix entirely. Options B and C divide 12 by 5 instead of multiplying.

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