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Column-I show graph of electric potentia...

Column-I show graph of electric potential V versus x and y in a certain region for four situations. Column-II shows the range of angle which the electric field vector makes with positive x-direction

Text Solution

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The correct Answer is:
(A) s, (B) p, (C) r, (D) q
Electric field `vec(E)=-(del V)/(delx)hat(i)-(delV)/(dely)hat(j)`
For (A): `vec(E)=-hat(i)+1/sqrt(3)hat(j)`
For (B): `vec(E)=+hat(i)`
For (C): `vec(E)=-hat(i)+sqrt(3)hat(j)`
For (D): `vec(E)=+1/sqrt(3)hat(i)+sqrt(3)hat(j)`
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