1) When we describe electric flux, we say that a surface is oriented in a certai
ID: 2254407 • Letter: 1
Question
1) When we describe electric flux, we say that a surface is oriented in a certain direction with respect to an electric field. When we try to calculate how much electric field passes through the surface, we make use of the:
a) cross product
b) wedge product
c) dot product
2) Which of the following statements is NOT true?
a) Electric flux depends on the angle of orientation of the surface in question with respect to the electric field
b) Charge density has units of volume per unit charge
c) The electric field at the center of a uniformly charged ring is equal to zero
d) Electric flux is a measure of how much electric field is passing through a given surface
3) True or False? When solving for the electric field due to a continuous charge distribution, we must take direction into account since electric field is a vector.
Explanation / Answer
1 is dot product NOT cross product
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