Question

A positive point charge is placed at the center of an imaginary spherical surface. As a result, there is some total electric flux outward through the surface. For each change listed, how would the total outward flux though the surface change?.

Answer 1

We have that the the scenarios the flux is behavior is as follows:

• Here The -ve charge placed outside the surface will not affect the total flux charge.
• $\phi=\frac{1}{co}*q$
• We have that the flux remains constant.
• Here with the negative charge outside, the flux will decrease.
• This will not affect net flux change, whereas if it where inside.It will increase flux.

Generally for each change

A positive charge is placed just inside the surface:

Here The -ve Charge placed outside the surface will not affect the total flux charge.

$\phi=\frac{1}{co}*q$

The charge is moved of-center by an amount equal to half the radius of the spherical surface.

We have that the flux remains constant.

A negative charge is placed just outside the surface.

Here with the negative charge outside, the flux will decrease.

A positive charge is placed just outside the surface.

This will not affect net flux change, whereas if it where inside.It will increase flux.

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Complete Question

A positive point charge is placed at the center of an imaginary spherical surface. As a result, there is some total electric flux outward through the surface. For each change listed, how would the total outward flux though the surface change?.

• A positive charge is placed just inside the surface .
• The charge is moved of-center by an amount equal to half the radius of the spherical surface .
• A negative charge is placed just outside the surface.
• A positive charge is placed just outside the surface.