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For the given graphs (a) and (b) find the value of electric field at point(1m,2m) :
width=435

(A)

/width=78

(B)

width=76

(C)

width=74

(D)

width=73

Vinay Arya , 15 Years ago
Grade 12
anser 1 Answers
AKASH GOYAL AskiitiansExpert-IITD

Dear Vinay

Ex=-(dV/dx)(1,2) = -(slope of V-x graph at x=1 and y=2)

slope of V-x graph can be obtained from fig1

slope=4/2=2      (for y=2)

Ex= -2

similarly Ey= -(2/2)=-1  ,from fig2 for x=1

E=Exi + Eyj= -2i-j V/m

option A

 

All the best.                                                           

AKASH GOYAL

AskiitiansExpert-IITD

 

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Last Activity: 15 Years ago
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