A conducting sphere of radius 0.01 m has a charge of 1.0 × 10–9 C deposited on it. The magnitude of the electric field in N/C just outside the surface of the sphere is
The Attempt at a Solution
I tried the first equation and got 90000, but the answer is 900. Im racking my brains here trying to understand how to find the answer. Its seems simple enough, im probably just missing a step, can anybody point to what im doing wrong.