SATHEE: Electric Charges and Fields

Electric Charges and Fields - Result Question 44

44. A point charge $+ q$ is placed at mid point of a cube of side ’ $L$ ‘. The electric flux emerging from the cube is

[1996]

(a) $\frac{q}{ε_{0}}$

(b) $\frac{6 q L^{2}}{ε_{0}}$

(d) zero

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Answer:

Correct Answer: 44. (a)

Solution:

(a) By Gauss theorem

Total electric flux $= \frac{Total ch arge inside cube}{ε_{0}}$

$\Rightarrow ϕ = \frac{q}{ε_{0}}$

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Electric Charges and Fields - Result Question 44

44. A point charge +q is placed at mid point of a cube of side ’ L ‘. The electric flux emerging from the cube is

Answer:

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44. A point charge $+ q$ is placed at mid point of a cube of side ’ $L$ ‘. The electric flux emerging from the cube is