13) A capacitor is made from two 2-cm-diameter coins separated by a 0.2-mm-thick piece of paper...
The simple oscillating circuit shown above is made from a parallel plate capacitor connected to a solenoid. The capacitor has plates 3.0 cm x 6.0 cm separated by 2.0 mm and filled with a material with a dielectric constant x- 8.0. The air-filled solenoid is 12.0 cm in length, with a diameter of 2.5 cm, and wound with 150 turns. The capacitor is charged to 0.25 uC, and the switch is closed at time t-0. A) What frequency radio wave...
16. A parallel plate capacitor has dimensions 39 cm 43 cm. The plates are separated by a l 15-mm thickness of paper (dielectric constant K 3.7) What is the charge that can be stored on this capacitor, when connected to a l 4-V battery? (885 10-12 c2Nm2
Homemade capacitors can be made from two back-to-back parallel pie pans, with a 0.50-mm-thick piece of construction paper filling the gap between them. Assume the pie pans are conducting circles of diameter 14.0 cm, and that the paper's dielectric constant is 3.7 and dielectric strength is 16 x 10 V/m a) What is the capacitance of one of these capacitors? b) What is the maximum energy stored by one of these capacitors before it discharges through the paper?
A capacitor is formed from two thin circular metal plates; each plate has a diameter of. The plates are separated by 5.0 mm and in a 15 Y battery. a)What are the values of capacitive ,charge ,and the energy U stored is the capacitor? b)The plates of the capacitor are disconnected to the battery , then a stack of paper (dielectric constant=3.5 ) is inserted between the two plates, filling the volume of the capacitor , what are the new...
A capacitor consists of two 6.6-cm-diameter circular plates separated by 1.0 mm. The plates are charged to 170 V , then the battery is removed. How much energy is stored in the capacitor? How much work must be done to pull the plates apart to where the distance between them is 2.0 mm?
Two 4 cm diameter electrodes with a 0l20mm air(dielectic constant k= 1) between them are attached to a 12V battery. A) What is the capacitance of this capacitor. B) How much charge is stored on each electrode? The air between the capacitor plates is now replaced with Teflon(dielectric constant K=2) while the battery is still connected C) What is the voltage on the capacitor D) How much charge is on each electrode. E) How much energy is stored in this...
A parallel‑plate capacitor has plates of 4.90 cm by 4.60 cm. The plates are separated by a 0.300-mm ‑thick piece of paper. What is the capacitance ? of this capacitor? The dielectric constant for paper is 2.1.
A parallel‑plate capacitor has plates of 4.40 cm by 4.30 cm. The plates are separated by a 0.400-mm ‑thick piece of paper. What is the capacitance ? of this capacitor? The dielectric constant for paper is 2.4.
A parallel‑plate capacitor has plates of 4.70 cm by 4.60 cm. The plates are separated by a 0.500-mm ‑thick piece of paper. What is the capacitance ? of this capacitor? The dielectric constant for paper is 2.5.
A parallel-plate air capacitor is made by using two square plates, 13 cm × 13 cm each, spaced 3.7 mm apart. It is connected to a 10-V battery. If the capacitor remains connected to the battery and the plates are pulled apart to a separation of 7.7 mm . a) What is the new capacitance? b) What is the new charge on each plate? c)What is the new electric field between the plates? d) What is the new energy stored...