Physics

Problem

1. A conducting sphere with a radius of 0.10 meter has

1.0 \times 10^{-9}

coulomb of charge deposited on it. The electric field just outside the surface of the sphere is (A) zero (B)

450 \mathrm{~V} / \mathrm{m}

(C)

900 \mathrm{~V} / \mathrm{m}

(D)

4,500 \mathrm{~V} / \mathrm{m}

(E)

90,000 \mathrm{~V} / \mathrm{m}

(A) zero (B)

450 \mathrm{~V} / \mathrm{m}

(C)

900 \mathrm{~V} / \mathrm{m}

(D)

4,500 \mathrm{~V} / \mathrm{m}

(E)

90,000 \mathrm{~V} / \mathrm{m}