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1. Refer to figure 1. The capacitor shown here has accumulated 1.20x10-3 C of charge on its plates, with a capacitance of 5.00x10-7 F.
· Which is the positive and negative plate?
· Calculate the capacitor’s potential energy (Ue)
· Calculate the voltage drop (V) between the plates.
Direction of E⃗
Figure 1: Parallel plate capacitor.
(
College Physics
) (
Capacitors – Part
1
) (
EPCC
)
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1. Refer to figure 1. Calculate the effective capacitance of three capacitors in series if C1 = 0.50 F, C2 = 1.00 F, and C3 = 0.02 F
2. Refer to figure 2. Calculate the effective capacitance.
Figure 1: Capacitors in series.
Figure 2: Capacitors in parallel.
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1. Refer to figure 1. A 240.0 V battery charges a parallel plate capacitor.
· Calculate the capacitance if the surface area is 2.0x10-1 m2, and plate separation is
0.20 m.
· Calculate the capacitance of the system if you change only the permittivity constant to the following:
−12 C2
ϵ = 50 x 10 (Sodium Chloride)
Nâ‹…m2
ϵ = 220 x 10
−12 C2 o
Nâ‹…m2 (Ethanol @ )25 C
Figure 1: Parallel plate capacitor.