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(Solved): Multiple choice questions: When a positive charge moves in the direction of the electric field, a) t ...
Multiple choice questions: When a positive charge moves in the direction of the electric field, a) the field does positive work and the potential energy decreases. b) the field does positive work and the potential energy increases. c) the field does negative work and the potential energy decreases d) the field does negative work and the potential energy increases. 3 Three large non-conducting sheets with uniform surface charge densities
\sigma ,2\sigma and
3\sigma are arranged as shown. Rank the points according to the magnitude of the electric field. a)
E_(A)=E_(B)=E_(C)=E_(D)b)
E_(A)=E_(D)>E_(B)>E_(C)E_(A)=E_(B)
dE_(A)
c