JAMB - Physics (1992 - No. 33)
A 5-v battery is connected across the plates of a 2.0\(\mu\)F uncharged parallel plate capacitor. The charge on the capacitor after a long time is
2.5\(\mu\)C
10.0\(\mu\)C
20.0\(\mu\)C
50.0\(\mu\)C
Vysvětlení
Q = cv
= 2 x 10-6 x 5
= 10 x 10-6C
= 10.0\(\mu\)C
= 2 x 10-6 x 5
= 10 x 10-6C
= 10.0\(\mu\)C