A uniform electric field is present in the region between infinite parallel plane plates A and B and a uniform electric field is present in the region between infinite parallel plane plates B and C. When the plates are vertical, is directed to the right and to the left. The signs of the charges on plates A, B and C may be
A) −, −, −.
B) +, −, −.
C) +, −, +.
D) +, +, +.
E) any one of the above.

Question

A uniform electric field  is present in the region between infinite parallel plane plates A and B and a uniform electric field  is present in the region between infinite parallel plane plates B and C. When the plates are vertical,  is directed to the right and  to the left. The signs of the charges on plates A, B and C may be
A) −, −, −. 
B) +, −, −. 
C) +, −, +. 
D) +, +, +. 
E) any one of the above.

Quizplus · Accepted Answer

The Answer of A uniform electric field  is present in the region between infinite parallel plane plates A and B and a uniform electric field  is present in the region between infinite parallel plane plates B and C. When the plates are vertical,  is directed to the right and  to the left. The signs of the charges on plates A, B and C may be
A) −, −, −. 
B) +, −, −. 
C) +, −, +. 
D) +, +, +. 
E) any one of the above.

A Uniform Electric Field Is Present in the Region