Question

A cubical box of side 1m is immersed a uniform
electric field of strength 10000 N/C. The flux
through the cube is-​

Answer 1

Given ,

Side of the cube = 1 m

Electric field = 10000 N/C

We know that ,

The total number of electric field lines passing through the given area is called electric flux

$\large \mathtt{ \fbox{ Φ_{e} = EA }}$

Thus ,

Φ = (10)^4 × 6 × (1)²

Because , TSA of cube is 6 × (side)²

Φ = 6 × (10)^4

Hence , 6 × (10)^4 electric flux passing through the cube

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