A uniformly charged insulating rod of length 10.0 cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge of -7.00 μC. Find the electric potential at O, the center of the semicircle. MV ●0 (-
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- A parallel-plate air capacitor has a capacitance of 980 pF . The charge on each plate is 2.7 μC. a) What is the potential difference between the plates? Express your answer in volts. b) If the charge is kept constant, what will be the potential difference between the plates if the separation is doubled? Express your answer in volts. c)How much work is required to double the separation? Express your answer in millijoules.Instead of buying a capacitor, you decide to make one. Your capacitor consists of two circular metal plates, each with a radius of 5 cm. The plates are parallel to each other and separated by a distance of 1 mm. You connect a 9-volt battery across the plates. Find the capacitance of the capacitor, the charge on each plate, and the excess number of electrons on the negative plate.Answer the question
- A moving particle encounters an external electric field that decreases its kinetic energy from 9450 eV to 6990 eV as the particle moves from position A to position B. The electric potential at A is -43.0 V, and that at B is +39.0 V. Determine the charge of the particle. Include the algebraic sign (+ or -) with your answer. Number i Units Lower potential Higher potential VB E SUBROLA moving particle encounters an external electric field that decreases its kinetic energy from 9040 eV to 6590 eV as the particle moves from position A to position B. The electric potential at A is -55.0 V, and that at B is +15.0 V. Determine the charge of the particle. Include the algebraic sign (+ or -) with your answer. Lower potential A Higher potential VBFind an expression for Electric Potential differences formed by a semicircle charged rod with a total charge of 50 micro.C at the center of a semicircle with a radius of R= 30.0 cm.
- The two charges in Figure P16.16 are separated by d = 2.00 cm. Find the electric potential d at (a) point A and (b) point B, which is halfway between the charges. 60.0° B --15.0 nC 27.0 nCA metal sphere with radius 1.10 cm is supported on an insulating stand at the center of a hollow, metal, spherical shell with radius rb = 9.10 cm. Charge +q is put on the inner sphere and charge −q on the outer spherical shell. The magnitude of q is chosen to make the potential difference between the spheres 400 V, with the inner sphere at higher potential. Calculate q. Express your answer in coulombs. q=__CAs stated in the pic
- İt is a question on study plan and ı need help urgently. Thanks in advance.A uniformly charged insulating rod of length 12.0 cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge of -9.00 μC. Find the electric potential at O, the center of the semicircle. x All the charge is equidistant from the center. Would the potential change if we gathered all of the charge into a single point at this same distance? MV ⓇExpress answer/s in mks (SI) . Draw diagram whenever necessary