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16 December, 13:21

A charge of 9 pC is uniformly distributed throughout the volumebetween concentric spherical surfaces having radii of 1.6 cmand

3.6 cm. Let: ke = 8.98755*109 N·m2/C2. What is themagnitude of the electric field

2.3 cm from the center of the surfaces? Answer in units of N/C

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  1. 16 December, 13:44
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    Electric Field = 3.369 x 10^4 N/C

    Explanation:

    Radius = r = (r1 + r2) / 2 = (1.6 + 3.6) / 2 = 2.6 cm + 2.3 cm = 4.9 cm = 0.049 m

    As we know, Electric field = E = kQ/r. r

    = 8.98755 x 10^9 x 9 x 10^-9 / 0.049 x 0.049 = 33689.275 N/C

    = 3.369 x 10^4 N/C
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