A fully charged parallel-plate capacitor remains connected to a battery while a dielectric is slid between the plates. Does the energy stored in the capacitor increase, decrease, or stay the same?
1.increase
2.decrease
3.remains the same
1
You might also like to view...
General Questions: A small car and a large SUV are at a stoplight. The car has a mass equal to half that of the SUV, and the SUV can produce a maximum accelerating force equal to twice that of the car. When the light turns green, both drivers push their accelerators to the floor at the same time. Which vehicle pulls ahead of the other vehicle after a few seconds?
A. The car pulls ahead. B. The SUV pulls ahead. C. It is a tie.
Which of the following is considered anitmatter?
a. u b. e– c. e+ d. d
A tiny 0.0250-µg oil drop containing 15 excess electrons is suspended between two horizontally closely-spaced metal plates that carry equal but opposite charges on their facing surfaces
The plates are both circular with a radius of 6.50 cm. (k = 1/4??0 = 9.0 × 109 N ? m2/C2, e = 1.6 × 10-19 C) (a) How much excess charge must be on each plate to hold the oil drop steady? (b) Which plate must be positive, the upper one or the lower one?
If you push twice as hard against a stationary brick wall, the amount of work you do
A) quadruples. B) doubles. C) is cut in half. D) remains constant but non-zero. E) remains constant at zero.