JEE Mains Model Paper 25

→

E

=

δv

δx

^

i

-

δv

δy

^

j

;

→

E

= -2x

^

i

+ 2y

^

j

→

E

= 2 √x2+y2
if x = 0

→

E

= 2y

^

j

,

→

E

along +ve Y direction for points Y > 0 and

→

E

along -ve Y - direction for points y < 0
If y = 0

→

E

= -2x

^

i

,

→

E

along -ve x direction for points x > 0 and

→

E

along +ve x direction for points x < 0