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JEE Mains · Physics · STD 12 - 1. Electric charges and fields

બે \(+\sigma\) પૃષ્ઠ વિજભાર ઘનતા ધરાવતા અનંત સમતલને એક બીજા સાથે \(30^{\circ} \) ના ખૂણે મૂકવામાં આવે છે, તો તેમની વચ્ચેના ક્ષેત્રમાં વિદ્યુતક્ષેત્ર કેટલું થાય?

  1. A \(\frac{\sigma}{\varepsilon_{0}}\left[\left(1+\frac{\sqrt{3}}{2}\right) \hat{\mathrm{y}}+\frac{\hat{\mathrm{x}}}{2}\right]\)
  2. B \(\frac{\sigma}{2 \varepsilon_{0}}\left[\left(1-\frac{\sqrt{3}}{2}\right) \hat{\mathrm{y}}-\frac{\hat{\mathrm{x}}}{2}\right]\)
  3. C \(\frac{\sigma}{2 \varepsilon_{0}}\left[(1+\sqrt{3}) \hat{\mathrm{y}}+\frac{\hat{\mathrm{x}}}{2}\right]\)
  4. D \(\frac{\sigma}{2 \varepsilon_{0}}\left[(1+\sqrt{3}) \hat{\mathrm{y}}-\frac{\hat{\mathrm{x}}}{2}\right]\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(\frac{\sigma}{2 \varepsilon_{0}}\left[\left(1-\frac{\sqrt{3}}{2}\right) \hat{\mathrm{y}}-\frac{\hat{\mathrm{x}}}{2}\right]\)

Step-by-step Solution

Detailed explanation

Electric field due to each sheet is uniform and equal to \(\mathrm{E}=\frac{\sigma}{2 \varepsilon_{0}}\) Now net electric field between plates…
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