a. Consider the situations shown below. Each picture contains some charge and an

Question

a. Consider the situations shown below. Each picture contains some charge and an imaginary box. In each case, determine if there is net flux through the box. The total electric flux through the imaginary box is the sum of the electric flux through each surface of the box. Remember that when the angle between the area vector of the surface and the direction of the electric field is greater than 90degree, the flux is negative. From a geometrical perspective, for a closed surface, the Flux is positive if it is leaving the box and negative when it is entering. b. The dots in the figure above represent point charges. Qualitatively, what does the flux through the box depend on? When is there more flux and when is there less flux? When is there zero flux?

Explanation / Answer

A) in first case, no flux
in second caes, flux is there

b) more the charge enclosed in the box, more the flux will be.
if charge enclosed zero, then flux will be zero that's why in first case flux is zero

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