A charge of 295 microc is uniformly distributed on a ring

A charge of 2.95 µC is uniformly distributed on a ring of radius 8.5 cm. Find the electric field strength on the axis at the following locations.

(a) 1.2 cm from the center of the ring _____________ N/C

(b) 2.8 cm from the center of the ring _____________ N/C

(d) Find the field strength at 4.0 m using the approximation that the ring is a point charge at the origin. _____________ N/C

(e) Compare your results for parts (c) and (d) by finding the ratio of the approximation to the exact result.

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A charge of 295 microc is uniformly distributed on a ring : a charge of 2.95 microc is uniformly distributed on a ring of radius 8.5 cm. find the electric field strength on the

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