Two charges are shown below. Find the magnitude of the electric field at the poi

Question

Two charges are shown below. Find the magnitude of the electric field at the point indicated. Same setup as problem 1. Find the electric potential at the point indicated. A large sphere encloses the two charges from problem 1. Find the electric flux coming out of this closed sphere. A solid sphere of radius 2.1 meters has a uniform volume charge density of 0.35 C/m^3. Find the magnitude of the electric field at 1.2 meters from the center of the sphere. A uniform electric field 1200 V/m is directed to the right. You (the agent) move a 1.5 C test charge 5 meters at 36.87 degrees. Calculate the change in potential energy of this 1.5 C charge. A parallel plate capacitor has area 34 cm^2 and separation distance 3 mm. If the voltage across the plates is 500 Volts, calculate is the charge on the positive plate. The figure to the right shows three charges. Calculate the work required by you to remove the 5 mu C charge Starting with the figure to the right, calculate the magnitude of the electric field at the vacant corner. Starting with the figure to the right, calculate electric potential at the vacant corner.

Explanation / Answer

1)

field at the given location

E = kq1/0.2^2 + kq2 /0.15^2

q1 = 12uc

q2 = -8uc

E = 2700000-3200000

E = -500000 N/C negative indicates field towards charges

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