Questions
Equipotential surfaces are shown in figure. Then the electric field strength will be
detailed solution
Correct option is C
Using △V=−E→⋅r→⇒ ΔV=E.Δrsin30∘⇒ E=ΔVΔrsin30∘⇒ E=(20−10)10×10−2sin30∘⇒ E=1010×10−2sin30∘=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!
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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
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