A proton is placed between the plates of a large parallel plate capacitor. When the proton is a distance of 0.04 m from the positive plate, it experiences an electric field of magnitude 4 N/C. The plates are 0.16 m apart. The voltage difference between the plates is proton 4 N/C 0.16 m A) 0.16 V B) 0.48 V C) 0.64 V D) 25 V E) 100 V

A parallel-plate capacitor is fully charged by a battery. Now the battery is disconnected, and the distance between the plates increases. What happens to the electric field in the capacitor? Answers: stays the same   increases   decreases

A simple capacitor can be constructed from two conductive plates. Two conductive plates with an area of 10.0cm x 10.0 cm are held facing one another at a separation of 1.50 mm and 12.0 V is applied between them. a) Find the capacitance of this configuration b) Find the charge on the plates. c) How much energy is stored in the capacitor? d) How much energy can the capacitor store if a dielectric with K= 4.5 is inserted between the plates rather than air?

An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate (see the drawing). The plates are separated by a distance of 1.7 cm, and the electric field within the capacitor has a magnitude of 2.8 x 106 V/m. What is the kinetic energy of the electron just as it reaches the positive plate? Electric field Electron KE positive + + + + + + + +

An air-filled 20-µF capacitor has a charge of 60 μC on its plates. How much energy is stored in this capacitor? Ο 80 μ Ο 70 μ Ο 110 μ Ο 100 μ 90 μ

A parallel-plate capacitor filled with air has plates of area 6.5×10−3 m2 and a separation of 0.32 mm.  a) Find the magnitude of the charge on each plate when the capacitor is connected to a 11-V battery. (Q = ? nC) b) Why does answer A decrease if the seperation between the plates increases? c) Calculate the magnitude of the charge on the plates if the separation is 0.90 mm. (Q = ? nC)

A parallel-plate capacitor has 3.5 cm x 3.5 cm electrodes with surface charge densities +1.0 x 10 C/m². A proton traveling parallel to the electrodes at 1.2x105 m/s enters the center of the gap between them. 73 3 K E $ 4 R DE C I BAB F 96 5 T G I 6 B Part A Y By what distance has the proton been deflected sideways when it reaches the far edge of the capacitor? Assume the field is uniform inside the capacitor and zero outside the capacitor. Express your answer with the appropriate units. Ay- Value Submit Provide Feedback MacBook Air H & 7 N HÅ Request Answer U J * 8 M DIE 1 C Units MOSISO ( 9 K DD FO O 1 delete