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The electric field in a region is radially outwards with magnitude `E=alphar//epsilon_(0)`. IN a sphere of radius `R` centered at the origin, calculate the value of charge in coulombs `alpha=5/(pi)` if `V//m^(2)` and `R=(3/10)^(1//3)m`. |
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Answer» Correct Answer - 6 `q=epsilon_(0)ointE.ds=epsilon_(0)(alphar)/(epsilon_(0))4pir^(2)=4pir^(3)alpha=6`. |
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