chemtairhones01
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A uniformly charged sphere has a total charge of 300uc and a radius of 8cm. Find the electric field density at A point 16cm from the surface of the sphere.
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Respuesta :

Upendo

E = kQ

(r + h)²

where,

k = 9 × 10^9Nm²C^-2

Q = total charge, 300uC = 300 × 10^ -6C

r = 8 × 10^ -2m

h = 16 × 10^ -2m

then,

E = 9e9 * 300e^-6

(8e^-2 + 16e^-2)²

E = 4687500N/C

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