2Problem 1: Select the correct statements. (a) Electric flux is defined as the d

Question

2Problem 1:
Select the correct statements.
(a) Electric flux is defined as the dot product of electric field vector with the surface area the field goes through.
(b) When electric field goes through a plane with an angle of 0 with the plane’s normal, the flux through the plane is 0.
(c) If the net charge of an enclosed surface is 0, the electric flux through this enclosed surface is also 0.
(d) If you introduce charge to a cavity in an isolated conductor, the charge will stay in wall of the cavity.
(e) Gauss’s Law relates electric field on any surface to charges nearby.
Answer:
problem 2: Select the correct statements.
(a) Electric field at a point in space is defined as the ratio of the force on a test charge to the quantity of that test charge, regardless that test charge is positive or negative.
(b) The density of field lines in an area represents the electric field strength at that location.
(c) If there are only two positive charges in space, field lines coming from one charge will end at the second charge.
(d) If there are only two charges in space, one positive and the other negative, field lines coming from the positive charge will end at the negative charge.
(e) Electrons in an electric field, driven by the force this electric field exerts on them, will move in a direction opposite to the field line directions.
Answer:

Explanation / Answer

Ans 1 : c, e

Ans 2 : a, b, d

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