Problem 3: A tetrahedron has an equilateral triangle base with 20-cm-long edges and three equilateral triangle sides (see Fig. 3). The base is parallel to the ground, and a vertical uniform electric field of strength 200 N/C passes upward through the tetrahedron. a) What is the electric flux through the base? 111 25255D IPAL DE LA SE ZA 20 cm L=20cm 11111 b) What is the total electric flux through the closed surface of the tetrahedron? Explain why. FIG. 3: The scheme for Problem 3 c) Use your answers to a) and b) to compute the electric flux through each of the three sides. 17- 52917721-30 m 10) 3/ de poma tean fall 20cm INTE SUL THE DEM 723212 deteries XV LC

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.