English
Hindi
1. Electric Charges and Fields
medium

આકૃતીમાં દર્શાવ્યા મુજબ ત્રણ અનંત લંબાઇથી પ્લેટોને મુકેલ છે તો $P$ બિંદુ આગળ વિદ્યુત ક્ષેત્ર....

A

$\frac{{2\sigma }}{{{\varepsilon _o}}}\,\hat k$

B

$ - \,\frac{{2\sigma }}{{{\varepsilon _o}}}\,\hat k$

C

$\frac{{4\sigma }}{{{\varepsilon _o}}}\,\hat k$

D

$ - \,\frac{{4\sigma }}{{{\varepsilon _o}}}\,\hat k$

Solution

$\mathop E\limits^ \to  \,\, = \,\, – \frac{\sigma }{{2{\varepsilon _o}}}\,\hat k – \frac{{2\sigma }}{{2{\varepsilon _o}}}\hat k\,\, – \frac{\sigma }{{2{\varepsilon _o}}}\hat k\,\, = \,\, – \frac{{2\sigma }}{{{\varepsilon _o}}}\hat k$

Standard 12
Physics

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