80. Which of the following clectric fields could exist in a finite region of space that contains no charges? (In these expressions, A is a constant, and 1, j, and k are unit vectors pointing in the x, y, and z directions, respectively.) (A) A(2xyl - xzk) (B) A(-xyj + xzk) A(xzi+ xz) (D) Axyz(1+) (E) Axyzl
80. Which of the following clectric fields could exist in a finite region of space that contains no charges? (In these expressions, A is a constant, and 1, j, and k are unit vectors pointing in the x, y, and z directions, respectively.) (A) A(2xyl - xzk) (B) A(-xyj + xzk) A(xzi+ xz) (D) Axyz(1+) (E) Axyzl
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Transcribed Image Text:80. Which of the following electric fields could exist
in a finite region of space that contains no
charges? (In these expressions, A is a constant,
and i, j, and k are unit vectors pointing in
the x, y, and z directions, respectively.)
(A) A(2xyf – xzk)
(B) A(-xyj + xzk)
A(xzi+ xz)
(C)
(D) Axyz(1+)
(E) Axyzi
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