C) The lightning is formed when current starts to flow between the two spheres. Explain at least two different non obvious facts about what is going on inside and around these “lightning bolts”. If a direction is involved with your facts, give that direction. Problem 1. Consider the "Lightning Plasma Ball" pictured below.The diameter of the central sphere is 4.0cm, and the diameter of the outer sphere is 16.0cm. Thecentral sphere is charged to a voltage of 9000 volts (at its surface; if it helps, the voltage justbarely above its surface is the same as the voltage at its surface). The outer sphere is grounded.

Given: The radius of the central sphere is r1 = 2 cm The radius of the outer sphere is r2 = 8 cm The…

Answered: The lightning is formed when current…

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4) A small plastic ball is suspended by a 0.30 m long thread in a uniform, horizontal electric field as shown in the figure. An electric field of 1,000 V/m is directed toward the right. The ball has a mass of 2.0x10 kg. If the ball is in equilibrium when the string makes an angle of 12° with the vertical as shown, what is the net charge on the ball? Clearly draw and label all forces and show how you arrive at your result. 0 E-1.00 x 10' N/C L He tot par m
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A small block of mass m and charge Q is placed on an insulated, frictionless, inclined plane of angle as in the figure below. An electric field is applied parallel to the incline. Q m E = (a) Find an expression for the magnitude of the electric field that enables the block to remain at rest. (Use any variable or symbol stated above along with the following as necessary: g for the acceleration due gravity. Note that the charge of Q is unknown.) i (b) If m = 5.41 g, Q = -7.49 μC, and 0 = 26.3°, determine the magnitude and the direction of the electric field that enables the block to remain at rest on the incline. magnitude N/C direction ---Select---
Part A What must the charge (sign and magnitude) of a particle of mass 1.44 g be for it to remain stationary when placed in a downward-directed electric field of magnitude 620 N/C? Use 9.80 m/s² for the magnitude of the free-fall acceleration. ▸ View Available Hint(s) Π ΑΣΦ 2.27.10-5 Submit Previous Answers * Incorrect; Try Again; 9 attempts remaining What direction should the electric force on the particle be if it needs to counteract gravity? If the electric field points downward, what does the sign of the charge need to be to create this force? Part B ? What is the magnitude of an electric field in which the electric force on a proton is equal in magnitude to its weight? Use 1.67x10-27 kg for the mass of a proton, 1.60x10-19 C for the magnitude of the charge on an electron, and 9.80 m/s² for the magnitude of the free-fall acceleration. ▸ View Available Hint(s) ΔΙΑΣΦ X² Xp √x x x x 8 IXI ? x 10m SWO N/C
6. Two identical charged particles of mass 70 grams are at the ends of strings that are the same length l = 10 cm attached to the ceiling. The charged particles repel, as shown in the sketch below: The angle between the strings is o = 20°. Use force analysis to develop equations that describe the balance of forces along both the horizontal and the vertical directions. If we let the symbols 'FG' and 'FE' represent gravitational and electric force magnitude, type the symbol in the first answer box that corresponds to the force that balances out the tension along the - direction. In the second answer box type in the symbol for the force that balances out the tension along the , direction. Ft.x L Fr.y =[ Not yet correct, tries 6/18 Submit All Answers Hint: Try to work purely symbolically without substituting any numbers. Draw a free body diagram that shows the forces acting on one of the charged particles. There should be three forces: gravitational, electric, and tension from the string.…
A proton is released in a uniform electric field, and it experiences an electric force of 2.31×10−14 NN toward the south. What is the magnitude of the electric field?
In the following statement, select one which does not define an electric field. O A measure of how much electric force an electric charge would experience at a particular location in space. O Aregion of space around an electrically charged particle or object in which an electric charge would feel force. O The law of physics that defines the force between electrically charged objects. O It is a force per unit charge.
3. Each small sphere shown has a charge of magnitude q but the stationary charge in the center is negative while the two moving charges are positive. The moving charges (each of mass 0.20 kg) are attached to the ends of 4.0 m long strings and they are moving like conical pendulums as shown at a constant velocity of 12.0 m/s in uniform circular motion. The strings each make an angle of 30° to the vertical. Find the magnitude of the charge q. 300: 30° 4.0 m 4.0 m + q - 9 +q
As shown below, a charged particle is moving through a region that has a uniform E-field (the red lines) and a uniform 17.3 T B-field. As a result of these two fields and the resulting forces (ignore gravity), the particle has a constant velocity of 328 m/s. A.) Determine the directions of F= & FB on the particle. Direction of F= Choose direction + Direction of FB Choose direction B.) Determine the magnitude of the E-field and the direction of the B-field. Assume that the B-field is perpendicular to the velocity. E = Direction of B: Choose direction
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Two 1.5 kg masses are 1.0 m apart (center to center) on a frictionless table. Each has + 9.6 μC of charge. For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Levitation. Part A What is the magnitude of the electric force on one of the masses? Express your answer with the appropriate units. F= Submit Part B Fit for Paredo for Part redo foart A reor Part A keyboard shortcuts for Part A help for Part A Value Request Answer Submit What is the initial acceleration of the mass if it is released and allowed to move? Express your answer with the appropriate units. for Rart for Part.Edo for Part redo folert 8 reor Part B keyboard shortcuts for Part 8 help for Part B Units Value Request Answer Units