Friday Homework Problem 5.1 [10 pt(s) l A delectric is placed in an external ele

Question

Friday Homework Problem 5.1 [10 pt(s) l A delectric is placed in an external electric field. In general how is the field in the delectric related to the external field? Select One of the Following (a) The field in the dielectric is of the same strength as the external field. (b) The field in the dielectric is weaker than the external field. (c) The field in the dielectric is stronger than the external field. Friday Homework Problem 5.2 I3 pt(s) JA piece of plexiglass (K 32 is placed above an infinite plane of charge with charge density -0.1 Compute the bound charge density, on the bottom surface of the dielectric. Be careful K 3.2 of the sign. Select One of the Following (a) -1.7x10 sc/im? (b) 1.7 x 10 "C (c) -34 10 (d) 3.4x10 "C/ua? (e) -5.5 x 10 Friday Homework Problem 5.3Bpt(s) IThe electric field is zero within a conductor as drawn to the right. If the external Air Conductor field is 75 calculate the charge density on the surface of the conductor, including the correct sign. Select One of the Following (a) 6.64x 10 C/m? (b) 0 (c) -1.18 10-13c/m? (d) 1.18 x 10-13C/m?

Explanation / Answer

5.1)(b)

explanation:

The eletric field is inverselt proportional to the dielectic constant of the material.

E = sigma/k epsilon0

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