A Spherical Surface Surrounds a Point Charge at Its Center $\varPhi$

question 28

Multiple Choice

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

• A) "\(\varPhi\)_E and E do not change."
• B) "\(\varPhi\)_E increases and E increases."
• C) "\(\varPhi\)_E increases and E remains the same."
• D) "\(\varPhi\)_E increases and E decreases."

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