Three Infinite Planes of Charge, A, B and C, Are

question 75

Multiple Choice

Three infinite planes of charge, A, B and C, are vertical and parallel to one another. There is a uniform electric field to the left of plane A and a uniform electric field to the right of plane C. The field points to the left and the field points to the right. The signs of the charges on plates A, B and C may be

• A) −, −, −.
• B) +, −, −.
• C) +, −, +.
• D) +, +, +.
• E) any one of the above.

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