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1. A single charge (Q = 3.0 μC) is located at the origin of an axis...

1. A single charge (Q = 3.0 μC) is located at the origin of an axis system. A small test charge (q = 1.0 pC) is moved from x = 1.0 m to x = -1.0 m. Determine the amount of work done by the field for this displacement.a) 0.001 J b)-0.001 J c)0 J d)More information is needed

2. A hollow metal object shaped like a rectangular block is charged by conduction. Which of the following is almost immediately true? a)The charge density is uniform over the entire surface b)The charge density is greater on corners and edges c) The charge density is greatest on the flat areas d) The charge density is zero

3. Describe the difference in shape for equipotential surfaces associated with a single negative charge and those associated with a single positive charge of twice the magnitude. a) There is no difference b)The positive charge equipotentials are not spherical c) The negative charge equipotentials are not spherical.

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