A Spherical Surface Surrounds a Point Charge It Its Center

question 61

Multiple Choice

A spherical surface surrounds a point charge it its center.If the charge is doubled and if the radius of the surface is also doubled,what happens to the electric flux Φ_E out of the surface and the magnitude E of the electric field at the surface as a result of these doublings?

• A)Φ_E and E do not change.
• B)Φ_E increases and E remains the same.
• C)Φ_E increases and E decreases.
• D)Φ_E increases and E increases.

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