+1.0 nC -1.0 nC A 2.0 cm X 2.0 cm parallel-plate capacitor with a 2.0 mm spacing is charged to + 1.0 nC. First a proton, then an electron are released from rest at the midpoint of the S of proton 2.0cm 2.0 cm +. After: Before: After: capacitor. a. What is each particle's change in electric potential S of electron energy from its release until it collides with one of the plates? b. What is each particle's speed as it reaches the plate? S; = zd d = 2.0 mm 0. +++++
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- 4.) There are 3 charges below arranged in a triangle. a.) What is the total electrical potential difference at a point in the center of the triangle due to all 3 charges? b.) What is the total electrical potential difference, due to all 3 charges, at a point halfway between the two -2nC charges? 1.0 nC 3.0 cm, 3.0 cm 3.0 cm -2.0 nC -2.0 nC3. An electronic flash uses a 950 µF capacitor. When it is fully charged the potential difference between the plates is 290 V. a. Sketch the capacitor labeling the high potential side. b. What is the magnitude of the charge on each plate? How much energy is stored in the charged capacitor?21. Two metal plates are charged and are measured to have a potential difference of 15.0 V. An electron is placed near the negative plate and released. What is the kinetic energy of the electron when it reaches the positive plate? a. 24.0 x 10¹ b. 9.9 x 10-¹9 1.0 x 10-¹9 J 13.4 x 10-19 j c. d.
- question 4- How do i solve this problem?Capacitor in Parallel. Capacitor are used on a Variety of devices, including defibrillators, microelectronics such as calculator, flash lamps, to supply energy. A. Calculate the energy stored in 15.0 μF capacitor of a heart defibrillator charged to 11.0×10^3 V. B. Find the amount of stored charge.9) A proton and an electron are maintained at a separation distance of d apart. Determine the point(s) where electric field is zero? Determine the point(s) where electric potential is zero? a. b.
- . Consider the spherical equipotential surfaces of a positive point charge as shown. A positive test charge 90 = 1.00 x 10 'Cis brought from X to Y, and then to Z. What is the total work done by the electric field in moving the test charge? A. Zero B. 1.00 x 10 8 J C. 2.00 x 10 8 J D. -1.00 x 10 8 J1. Near Earth's surface the electric field has the magnitude E = 150 N/C and is directed downward, as shown in Fig. Q8 (a). A proton is released from rest and moves in the electric field through a distance of d = 400 m. a. What is the change in the electric potential energy of the proton? b. Through what potential change does the proton move? c. Find the speed of the proton after completing the displacement. 2. If the proton enters the region of the electric field as shown in Fig Q8 (b) with a vị = 5 x 106 m/s. a. Find the acceleration of the proton while it is in the electric field. b. Find the time at which the proton leaves the electric Fig. Q8 (a) field. Fig. Q8 (b)What is the potential difference across a parallel-plate capacitor whose plates are separated by a distance of 4.0 mm where each plate has a charge density of magnitude 5.0 pC/m^2? a. 1.02 millivolts b. 1.43 millivolts c. 2.26 millivolts d. 3.34 millivolts e. 4.43 millivolts
- A -15 nC charge and a 9 nC charge are located on the x-axis at x=-6 cm and x=9 cm respectively. iii.How far to the left of the -15nC charge does the electric potential equal -27V? iv.What is the magnitude (in N/C) of the electric field at this location?1a. Which capacitor plate is the positive plate? 1b. What is the electric field direction and magnitude? 1c. What are the electric potential at point a, b, and c? 1d. What is the electric potential energy of an electron at the midpoint (c) of the capacitor?3. What is the charge Q₂ on capacitor C₂? A. 9.0 x 10-6C B. 3.3 x 10 C D. 5.6 x 10-C C. 4.5 x 10-6 C 4. A parallel-plate capacitor has plates of dimensions 2.0 cm by 3.0 cm separated by a 1.0- mm thickness of dielectric material (k = 11.1), what is its capacitance? B. 40 pF C. 60 pF A. 20 pF D. 80 pF 5. A spherical liquid drop of radius R has a capacitance of C = 4re, R. If two such drops combine to form a single larger drop, what is its capacitance? A. 2 C B. C C. 1.26 C D. 1.46 C