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JEE Mains · Physics · STD 12 - 1. Electric charges and fields

एक आवेश \(Q\) एक \(a\) भुजा वाले वर्गाकार सतह के केन्द्र से \(a/2\) ऊँचाई पर रखा हुआ है (चित्र देखें) वर्गाकार सतह से जाने वाला विघुत फ्लक्स होगा

  1. A \(\frac{Q}{{3{\varepsilon _0}}}\)
  2. B \(\frac{Q}{{6{\varepsilon _0}}}\)
  3. C \(\frac{Q}{{2{\varepsilon _0}}}\)
  4. D \(\frac{Q}{{{\varepsilon _0}}}\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(\frac{Q}{{6{\varepsilon _0}}}\)

Step-by-step Solution

Detailed explanation

When cube is of side a and point charge \(Q\) is at the center of the cube then the total electric flux due to this charge will pass evenly through the six faces of the cube. So, the electric flux through one face will be equalto \(1 / 6\) of the total electric flux due to this…
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