waec model questions vol1 2024 physics
Objective • Question 20
Question 20
WAEC_MODEL_QUESTIONS_VOL1
•
2024
A parallel plate capacitor has a capacitance of 5 µF and is connected to a 12 V battery. Calculate the charge stored in the capacitor. If the distance between the plates is doubled while keeping the area constant, what will happen to the capacitance?
Answer Options
A.
7 x 10^-5 C, capacitance is halved
Correct Answer
B.
6 x 10^-5 C, capacitance is halved
C.
4 x 10^-5 C, capacitance remains the same
D.
5 x 10^-5 C, capacitance is doubled
Correct Answer
B
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