English
Hindi
1. Electric Charges and Fields
normal

આપેલ આકૃતિ માટે વિદ્યુતક્ષેત્રનું મૂલ્ય ......... $ V/m$ થાય.

A

$100$

B

$300$

C

$200$

D

$400$

Solution

$dV = E\,dr\cos \theta $

$(30 -20) = E\ cos\ 60° (20 -10) \times 10^{-2}$

$E = 200\,volt/m$

Standard 12
Physics

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