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Magnitude of point charge due to which electric field 30cm away has magnitude 2nc^-1 will be |
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Answer» hi, electrric field due to apoint charge at a DISTANCE X from it = 1/4¶ε Q/ x^2 2 = 8.9 *10^9 *q / (.30)^2 q = 2* .09 / 8.9 * 10^-9 = 2.02 * 10^-11 C |
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