2. Three point charges q, = +2.7µC, q2 = -3.4µC and q3 = -1.6µC initially are infinitely far apart. They are then brought together and placed at the corners of an equilateral triangle. Each side has a length of 40 cm. Determine the total electric potential energy of these group of charges.
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- A simple and common technique for accelerating electrons is shown in the figure, which depicts a uniform electric field between two plates. Electrons are released, usually from a hot filament, near the negative plate, and there is a small hole in the positive plate that allows the electrons to pass through.Randomized VariablesE = 2.7 × 104 N/C Calculate the horizontal component of the electron's acceleration if the field strength is 2.7 × 104 N/C. Express your answer in meters per second squared, and assume the electric field is pointing in the negative x-direction as shown in the figure.Please answer this question with explanations so I can understand. In a Millikan experiment, two horizontal plates are 2.5 cm apart. A sphere of latex, whose mass is 1.5 X 10-15kg , remains motionless when the difference of potential between the plates is 460 Volts. a) What is the magnitude of the charge on the surface of the latex sphere? b) How many excess or deficient electrons are there on the surface of the sphere?1.The force between 2 identical charges is 40 N. If the distance between the charges increases in double. What will be the value of force? A.10 N B.160 N C.20 N D.80 N 2.Two similar charges are placed in free space and water, with dielectric constant, ε of 1 and 78, respectively. What is the relationship of the electric fields in these 2 medias observables at a point of the distance of 2 cm away? A.Efreespace > Ewater B.Efreespace = Ewater C.78 x Efreespace = Ewater D.Efreespace < Ewater 3.Two-point charges, Q1 and Q2 are located at (0, 0, 0) and (1, 1, 1). If both charges are identical, Q = 15 µC, determine the magnitude of the electric field at (1,1,1). A.25.945 kV/m B.38.695 kV/m C.20.489 kV/m D44.938 kV/m
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- An electron (q = -e) completes half of a circular orbit of radius r arounda nucleus with Q = +3e, as shown.a. By how much does the electric potential energy change as the electron moves from i to f?b. Is the electron’s speed at f greater than, less than, or equal to its speed at i?An electron is to be accelerated in a uniform electric field having a strength of 264×20°Y What energy in keV is given to the electron if it is accelerated through 0.76m? Could you please show all work and look at correct answerAn oil droplet is sprayed into a uniform electric field of adjustable magnitude. The 0.0400g droplet hovers motionless when the electric field is set to 370N/C and directed downward. a) What was the charge of the oil droplet in Coulombs? b) Determine the approximate number of excess or defecit electrons on the droplet.
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