A point charge is at the centre of two thin concentric non-conducting spherical shells A and B. The electric flux through a centred Gaussian sphere is shown in figure-
If q₀ is the central charge and $Q_A$ is the charge on shell A, then $Q_A/q₀$ is:
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Question

A point charge is at the centre of two thin concentric non-conducting spherical shells A and B. The electric flux through a centred Gaussian sphere is shown in figure-

If q₀ is the central charge and $Q_A$ is the charge on shell A, then $Q_A/q₀$ is:

Options

G1 Physics · Accepted Answer

Gauss law gives Q e n c Q_enc Q e ​ n c = ε₀Φ. For r< r A , r_A, r A ​ , q₀ = 2×10⁶ ε₀. For r A < r < r B , r_A<r<r_B, r A ​ < r < r B ​ , q₀+ Q A Q_A Q A ​ = -5×10⁶ ε₀. Therefore, Q A Q_A Q A ​ = -7×10⁶ ε₀, and Q A / q 0 Q_A/q₀ Q A ​ / q 0 ​ = -7/2.

A point charge is at the centre of two thin concentric non-conducting spherical shells A and B. The electric flux through a centred Gaussian sphere is shown in figure- If q₀ is the central charge and Q A Q_A Q A ​ is the charge on shell A, then Q A / q 0 Q_A/q₀ Q A ​ / q 0 ​ is:

A point charge is at the centre of two thin concentric non-conducting spherical shells A and B. The electric flux through a centred Gaussian sphere is shown in figure- If q₀ is the central charge and Q A Q_A Q A is the charge on shell A, then Q A / q 0 Q_A/q₀ Q A / q 0 is: