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Grade: 12th pass
        
What is resultant electric field ?
Please explain it
5 months ago

Answers : (1)

Vikas TU
9468 Points
							
Hiiii
Ex = integral (from pie/2 to pie ) dE *SinQ 
By defiition of charge per unit length 
ππ2ππ2π
Lmbda = q/ (pie/2)*R
dq = Lambda* R*dQ
Ex = K* lambda/R
Etotal = 2*Ex
=> k*2lambda/R
=> 4Kq/PieR2
so, option A is correct.
 
 
5 months ago
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