1. Which of the following statements are true? a. electric field lines are ortho

Question

1. Which of the following statements are true?
a. electric field lines are orthogonal to equipotential surfaces
b. the electric field vanishes inside a conductor
c. the work done by the electric field on a charge transported between
two points at the same potential is zero.
d. a and b
e. a, b and c


2. The electricl potential
a. is the same at all points of a charged conductor
b. is the same at all points of a charged insulator
c. is minus the gradient of the electric field.
d. a and c
e. b and c


3. The net electric flux into a box is nonzero. From this you can conclude that
a. the box is a conductor
b. the box is an insulator
c. the box contains a net negative charge
d. the box contains a net positive charge
e. the box contains no charge



A dipole in a uniform electric field will experience
a. a net force but no net torque
b. a net torque but no net force
c. a net force and a net torque
d. no net force and no net torque
e. nirvana

Explanation / Answer

1e 2d 3c 4b

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