1. Electric Charges and Fields
easy

A rectangular surface of sides $10 \,cm$ and $15 \,cm$ is placed inside acyniform electric field of $25 \,V / m$, such that the surface makes an angle of $30^{\circ}$ with the direction of electric field. Find the flux of the electric field through the rectangular surface .................. $Nm ^2 / C$

A

$0.1675$

B

$0.1875$

C

$0$

D

$0.1075$

Solution

(b)

$\phi=E A \cos 30^{\circ}$

$=0.1875 \,Nm ^2 / C$

Standard 12
Physics

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