Question Detail
Question
Parallel plate air capacitor: plates 0.2 m (area?), spacing 1 cm, 50V. Charge? (area unclear, likely 0.2 m²? But 0.2 m square = 0.04 m²)
Correct Answer
Option C is the correct answer.
Detailed Explanation
Assuming area=0.2 m²? Then C=ε₀A/d=8.85e-12×0.2/0.01=1.77e-10 F, Q=CV=8.85e-9 C=8.85 nC. Option C.
Hint
C=ε₀A/d, Q=CV.