Question 11 1 pts a c29pf parallel plate capacitor has a...

Question 11 1 pts A C=2.9pf parallel plate capacitor has a plate area of A and a plate separation of d. The capacitor is charged to a voltage V=11.9V and remains connected to the battery. The plate separation is then increased by 29%. Determine the change in the stored energy (in pJ ).

1. A 10.0 μF parallel-plate capacitor with circular plates is connected to an 8.0-V battery. (a) What is the charge on each plate? (b) How much charge would be on the plates if their separation were doubled while the capacitor remained connected to the battery? (c) How much charge would be on the plates if the capacitor were connected to the 12.0 V after the radius of each plate was doubled without changing their separation? 2. A parallel-plate capacitor has plates with an area of 405 cm2 and an air-filled gap between the plates that is 2.25 mm thick. The capacitor is charged by a battery to 575 V and then is disconnected from the battery. (a) How much energy is stored in the capacitor? (b) The separation between the plates is now increased to 4.50 mm. How much energy is stored in the capacitor now? (c) How much work is required to increase the separation of the plates from 2.25 mm to 4.50 mm?

Bhushan K.

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Question 11 1 pts A C=2.9pf parallel plate capacitor has a plate area of A and a plate separation of d. The capacitor is charged to a voltage V=11.9V and remains connected to the battery. The plate separation is then increased by 29%. Determine the change in the stored energy (in pJ ).

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