Download the app

Questions  

Equipotential surfaces are shown in figure. Then the electric field strength will be

a
100Vm−1 along X -axis
b
100Vm−1 along Y -axis
c
200Vm−1 at an angle 120∘ with X -axis
d
50Vm−1 at an angle 120∘ with X -axis

detailed solution

Correct option is C

Using △V=−E→⋅r→⇒    ΔV=E.Δrsin⁡30∘⇒     E=ΔVΔrsin⁡30∘⇒     E=(20−10)10×10−2sin⁡30∘⇒     E=1010×10−2sin⁡30∘=1021/2=200V/mDirection of E→ be perpendicular to the equipotential surface and towards the decreasing value of potential i.e. at 120° (90+30)with x-axis.

Talk to our academic expert!

+91

Are you a Sri Chaitanya student?


Similar Questions

A charge of 5C experiences a force of 5000N when it is kept in a uniform electric field. What is the potential difference between two points separated by a distance of 1cm


phone icon
whats app icon