If the electric field given by `(5hat(i)+4hat(j)+9hat(k))`, then the electric flux through a surface of area 20 unit lying in the `yz`- plane will be

Question

If the electric field given by `(5hat(i)+4hat(j)+9hat(k))`, then the electric flux through a surface of area 20 unit lying in the `yz`- plane will be

If the electric field given by `(5hat(i)+4hat(j)+9hat(k))`, then the electric flux through a surface of area 20 unit lying in the `yz`- plane will be
A. 100 unit
B. 80 unit
C. 180 unit
D. 20 unit

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A
Electric flux is equal to the product of an area element and the perpendicular component of E. As the surface is lying in Y-Z plane
`therefore" E.dA"=phi=(5)(20)="100 unit"`

4 views Answered 2023-02-05 15:29