TS EAMCET Medical 2018 May 3 Shift 1Paper

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Question : 114 of 160
 
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A 8.8 mW laser is focused to a spot of 1 mm2 area. If a 3 nC static charge is placed in the focused spot, the maximum electric force experienced by it is
[Use ∊0 = 8.8 × 10−12C2∕Nm2]
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