True and False: 4 Points Each Any answers NOT recorded on the Scantron answer pa

Question

True and False: 4 Points Each Any answers NOT recorded on the Scantron answer page will NOT be 1. Electric field lines start on positive charges and end on negative charges (arrows poin Norhecounted. hegar A) True or B) False 2. The units of electric potential differences are volts. A) True or B) False 3. The electrostatic force between two electrons is attractive. A) True or B) False the wool will have a negative charge on it A) True or B) False A dielectric material is used between the plates of a capacitor to decrease the capacitance of the c 4. A charge is placed on a balloon by rubbing it with wool. The balloon will have a positive chargeo 5. (from its vacuum value) A) True or B)False 6. The direction of conventional current in a circuit is the direction that positive charges move thro circuit A) True or B) False 7. In an isolated system charge is conserved. A) True or B) False The net electric force does no work as a charge moves on an equipotential surface. A) True or B) False 8.

Explanation / Answer

(1) True

Positive charge work as a source while negative charge works as a sink.

(2) True

Equipotential surface are surface which has constant potential hence dimension will have the unit of potential.

(3) False

Only opposite charges attract. Similar charge repels.

(4) Text missing so the question is not clear

(5) False

Dielectric increases the capacitance

(6) True

(7) True

Law of conservation of charge

(8) True

For an equipotential surface, the electric field is always perpendicular to it hence perpendicular to the displacement.

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