Hollow Spheres Part A Consider the following arrangement of two conducting hollow spheres with a point...

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Question

science physics

Answer 1

Answer #1

given

Q_o = 4.9 uC

Q₁ = - 1.3 uC

Q₂ = 6.3 uC

inner radius = 0.011 m

outer radius = 0.061 m = R

r = 0.021 m

a )

using equation

E_A = k ( Q_o + Q₁ ) / r²

= 9 x 10⁹ x ( 4.9 x 10^-6 - 1.3 x 10^-6 ) / 0.021²

E_A = 7.3469 x 10⁷ N/C

b )

$\sigma$ = Q / A

= ( Q_o + Q₁ + Q₂ ) / R²

= ( 4.9 - 1.3 + 6.3 ) x 10^-6 / 0.061²

$\sigma$ = 2.3945176 x 10⁷ N/C

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Answer 2

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