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

चित्र में दिखाये गये बक्से से होकर विधुत क्षेत्र \(\overrightarrow{ E }=4 xi -\left( y ^{2}+1\right) \hat{ j } N / C\) निकलता है। यदि बक्से के \(ABCD\) तथा \(BCGF\) समतलों में से होकर जाने वाले फ्लक्स का मान क्रमश: \(\phi_{ I }\) तथा \(\phi_{ II }\) है तब इनमें अन्तर \(\left(\phi_{ I }-\phi_{ II }\right)\) \(\left( Nm ^{2} / C \right)\) में होगा \(......\)

  1. A \(48\)
  2. B \(52\)
  3. C \(56\)
  4. D \(60\)
Verified Solution

Answer & Solution

Correct Answer

(A) \(48\)

Step-by-step Solution

Detailed explanation

The flux passes through \(\mathrm{ABCD}(\mathrm{x}-\mathrm{y})\) plane is zero, because electric field parallel to surface. Flux of the electric field through surface \(BCGF\) \((y-z)\) At BCGF (electric field)…
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