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Q. a 3cm by 3cm parallel plate capacitor has a wmomm spacing. The electric field strength inside the capacitor is 1.2*10^5 V/m. What is the potential difference across the capacitor? how much charge is on each plate?

Q. A uniform electric field of magnitude 390 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 3.10 cm.

What is the work done by the field on the electron?

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