Q.The electric potential decreases uniformly from $120$ V to $80$ V as one moves on the $x$ -axis from $x = -1$ cm to $x = +1$ cm. The electric field at the origin must be (JEE Main 2021)

20

V/cm along

+x

20

V/cm along

-x

10

V/cm along

+x

10

V/cm along

-x

The correct solution involves applying the fundamental concept to derive the final value step by step...

Already a member? Login here

Q.The electric potential decreases uniformly from 120120120 V to 808080 V as one moves on the xxx-axis from x=−1x = -1x=−1 cm to x=+1x = +1x=+1 cm. The electric field at the origin must be (JEE Main 2021)