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2 months ago

Electric Flux Class 12th

Given below are two statements:

Statement I : An electric dipole is placed at the centre of a hollow sphere. The flux of electric field through the sphere is zero but the electric field is not zero anywhere in the sphere.

Statement II : If R is the radius of a solid metallic sphere and Q be the total charge on it. The electric field at any point on the spherical surface of radius r (

In the light of the above statements, choose the correct answer from the option given below:
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Vishal Baghel

Contributor-Level 10

All the charge given to a conducting sphere resides on outer surface.

 

 

 

New answer posted

2 months ago

Electric Flux Class 12th

The electric field in a region is given by E → = ( 3 5 E 0 i ^ + 4 5 E 0 j ^ ) N C .  The ratio of flux of reported field through the rectangular surface of are 0.2m2 (parallel to y – z plane) to the of the surface of are 0.3m2 (parallel to x – z plane) is a : b, where a = ……………

[Here i ^ , j ^     a n d     k ^  are the unit vectors along x, y and z – axes respectively]
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V
Vishal Baghel

Contributor-Level 10

? 1 = 3 5 E 0 ( 0 . 2 ) N m 2 C − 1 , a n d     ? 2 = 4 5 E 0 ( 0 . 3 ) N m 2 C − 1

⇒ ? 1 ? 2 = 3 * 0 . 2 * 5 5 * 0 . 3 * 4 = 1 2

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