Immediately outside a conducting sphere of unknown charge Q and radius R the electric potential is 240 V, and 10.0 cm further from the sphere, the potential is 140 V. (a) Determine the radius R of the sphere (in cm).   cm (b) Determine the charge Q on the sphere (in nC).   nC (c) The electric potential immediately outside another charged conducting sphere is 260 V, and 10.0 cm farther from the center the magnitude of the electric field is 380 V/m. Determine the radius (in cm) of any sphere for which this is possible. (Enter your answers from smallest to largest. If only one value exists, enter "NONE" in the second answer blank.) R1= cmR2= cm (d) Determine the charge on the sphere (in nC) for each value of R. (If only one value exists, enter "NONE" in the second answer blank.) q1= nCq2= nC

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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.