A parallel-plate capacitor has the capacitance of C1 = 10 pF when the distance of the two plates is d = 5 cm. A battery with the emf = 3 V is used to charge the capacitor. %3D %3D 1. How much charge can be put on the parallel-plate capacitor? (in the unit of pC) Q = Submit Answer Tries 0/2 Now, consider the following two cases separately: Case 1: if the emf stays connected, but the distance of the parallel plates is changed to di = 80 cm. 2. What is the new capacitance C1 and how much is the charge Qiin the capacitor? C1 = Q1 = µF Submit Answer Tries 0/2 Case 2: After the initial charging, the emf is removed. Therefore, the amount of charge you calculated from the question #1 remains in the capacitor. Now, again, the distance of the parallel plates is changed to di 3. What is the potential difference V1 across the capacitor? 80 cm.

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A parallel-plate capacitor has the capacitance of C = 10 µF when the distance of the
two plates is d = 5 cm. A battery with the emf = 3 V is used to charge the capacitor.
%3D
1. How much charge can be put on the parallel-plate capacitor? (in the unit of pC)
Q =
Submit Answer
Tries 0/2
Now, consider the following two cases separately:
Case 1: if the emf stays connected, but the distance of the parallel plates is changed
to d = 80 cm.
2. What is the new capacitance C1 and how much is the charge Q1in the capacitor?
C1 =
µF
%D
Q1 =
%3D
Submit Answer
Tries 0/2
Case 2: After the initial charging, the emf is removed. Therefore, the amount of
charge you calculated from the question #1 remains in the capacitor. Now, again, the
distance of the parallel plates is changed to d1 = 80 cm.
3. What is the potential difference V1 across the capacitor?
V1 =
%3D
Transcribed Image Text:A parallel-plate capacitor has the capacitance of C = 10 µF when the distance of the two plates is d = 5 cm. A battery with the emf = 3 V is used to charge the capacitor. %3D 1. How much charge can be put on the parallel-plate capacitor? (in the unit of pC) Q = Submit Answer Tries 0/2 Now, consider the following two cases separately: Case 1: if the emf stays connected, but the distance of the parallel plates is changed to d = 80 cm. 2. What is the new capacitance C1 and how much is the charge Q1in the capacitor? C1 = µF %D Q1 = %3D Submit Answer Tries 0/2 Case 2: After the initial charging, the emf is removed. Therefore, the amount of charge you calculated from the question #1 remains in the capacitor. Now, again, the distance of the parallel plates is changed to d1 = 80 cm. 3. What is the potential difference V1 across the capacitor? V1 = %3D
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