A metal sphere of radius 10 cm carries a charge of +2.0 µC uniformly distributed over its surface. What is the magnitude of the electric field due to this sphere at a point 15.0 cm outside the sphere's surface? (k=1/4zɛo= 8.99 × 10⁹ Nm²/C2) O None of the above choices are correct O 2.3 x 10^-4 N/C O 7.6 x 10^8 N/C 2.8 x 10^5 N/C 3.5 x 10^5 N/C

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.