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Grade: 11
        

Consider a uniform electric field = 3 × 103 îN/C. (a) What is the flux of this field through a square of 10 cm on a side whose plane is parallel to the yz plane? (b) What is the flux through the same square if the normal to its plane makes a 60° angle with the x-axis?

8 years ago

Answers : (1)

AKASH GOYAL AskiitiansExpert-IITD
419 Points
							

Dear Sri

Flux φ=E.A

in first case E is along x axis and area vector is also along x axis since the area is parallel to yz plane

φ=EA*cos00=EA=3x103 x(0.1)2 = 30 Nm2/C

in second case

E is along x axis and area vector that is normal is making 60 with x axis

Φ=EA*cos600=EA/2=15 Nm2/C

 

All the best.                                                           

AKASH GOYAL

AskiitiansExpert-IIT Delhi

 

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8 years ago
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