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CBSE Class 12-science Answered

A charge of 17.7* 10^-4 C is distributed uniformly over a large sheet of area 200 m^2.Calculate the electric field intensity at a distance of 20 cm from it in air.
Asked by Balbir | 20 Feb, 2018, 01:09: PM
answered-by-expert Expert Answer
Charge density = 17.7×10-4  / 200 = 0.885 ×10-6 C/m2
 
Electiric field due to charged infinite square plate begin mathsize 12px style equals fraction numerator sigma over denominator 2 epsilon subscript 0 end fraction space equals fraction numerator 0.885 cross times 10 to the power of negative 6 end exponent over denominator 2 cross times 8.85 cross times 10 to the power of negative 12 end exponent end fraction equals 0.5 cross times 10 to the power of 5 space V divided by m end style
Answered by Thiyagarajan K | 20 Feb, 2018, 03:27: PM
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