Grade 12Electric Current
A parallel-plate capacitor has two plates of area A and separation d and is charged to a potential difference V. The charging battery is then disconnected and the plates are pulled apart until their separation is 2d. The new potential difference between the plates is
V 2 V V/2 V/4
| A parallel-plate capacitor has two plates of area A and separation d and is charged to a potential difference V. The charging battery is then disconnected and the plates are pulled apart until their separation is 2d. The new potential difference between the plates is |
| V |
| 2 V |
| V/2 |
| V/4 |
