n air-filled parallel-plate capacitor is connected to a 15 V source, it contains 90 µC of charge. After disconnecting the capacitor from the source, the distance between two parallel plates is now reduced to half. What is its new ca
n air-filled parallel-plate capacitor is connected to a 15 V source, it contains 90 µC of charge. After disconnecting the capacitor from the source, the distance between two parallel plates is now reduced to half. What is its new ca
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When an air-filled parallel-plate capacitor is connected to a 15 V source, it contains 90 µC of charge. After disconnecting the capacitor from the source, the distance between two parallel plates is now reduced to half. What is its new capacitance?
A) 4 µF
B) 10 µF
C) 6 µF
D) 3 µF
E) 12 µF
What happen to the potential difference between two plates?
A) Doubled
B) Halved
C) No change
D) Quadrupled
E) Tripled
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