G Yogendra K. sent you a X.. @ Course Home ×\\ MasteringPhysics \\ Microsoft Wor
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G Yogendra K. sent you a X.. @ Course Home × MasteringPhysics Microsoft Word-Com X esearch Textbook Solutx-ePhysics Archive Febr × × . C Secure https://web.nitedu/~janow/Physics%20121%20Fall%202017/Revew%20Materal Common%20E am%201/Phys1219620Common%201%20Sample%20E am%201.pdf age 1 of 4. The magnitude Q of the charge on each of the four balls is 12 HC distributed uniformly on the surface of each one. Two are positive and two are negative as shown in the sketch. They are placed at the corners of the diamond as shown in the diagram. Each of the sides has length a 3 am, what are the magnitude and direction of the electric field at the center of the diamond shape? A) 24.1 x 10 N/C. Down B) 1.6 x 101 N/C. Up c) 7.9 x 1019 N/C. Left D) 1.4 x 10 N/C. Right E) Zero -Q 5. For an isolated sphere of charge, which of the following statements about the electric field outside it is correct? A) It is directly proportional to the distance from the sphere. B) It is inversely proportional to the square of the distance from the sphere. C) It is directly proportional to the square of the distance from the sphere. D) It is inversely proportional to the distance from the sphere. E) None of the above. 6. Which of the following is NOT true of the electric field near an infinitely large conducting plane? A) It is inversely proportional to the square of the distance from the plane. B) It is directly proportional to the surface charge density C) It is a constant at all distances from the charged plane. 1:30 PM O Type here to search ^Qs 10/1/2017Explanation / Answer
4) option E is correct. Electric field will bezero at centre.
It is because the opposite two charges will cancel each other's effect. Q will cancel the other Q,. and -Q will cancel the effect of other-Q
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