Flux through a cube or its faces from a charge at a corner, edge or face centre

1. A.
   $\frac{q}{48\varepsilon_{0}}$
2. B.
   $\frac{q}{8\varepsilon_{0}}$
3. C.
   $\frac{q}{24\varepsilon_{0}}$
4. D.
   $\frac{q}{4\varepsilon_{0}}$

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1. A.
   $\frac{q}{12\varepsilon_{0}}$
2. B.
   $\frac{q}{6\varepsilon_{0}}$
3. C.
   $\frac{q}{3\varepsilon_{0}}$
4. D.
   $\frac{q}{2\varepsilon_{0}}$

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1. A.
   $\frac{q}{4\epsilon_{0}}$
2. B.
   $\frac{q}{2\epsilon_{0}}$
3. C.
   $\frac{q}{8\epsilon_{0}}$
4. D.
   Zero

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1. A.
   $\frac{\lambda a}{8\epsilon_{0}}$
2. B.
   $\frac{\lambda a}{16\epsilon_{0}}$
3. C.
   $\frac{\lambda a}{2\epsilon_{0}}$
4. D.
   $\frac{\lambda a}{4\epsilon_{0}}$

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1. A.
   $\frac{3q}{\varepsilon_{0}}$
2. B.
   $\frac{q}{\varepsilon_{0}}$
3. C.
   $\frac{3q}{2\varepsilon_{0}}$
4. D.
   $\frac{3q}{4\varepsilon_{0}}$

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