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प्रश्न
The electric force acting between two point charges kept at a certain distance in vacuum is 16 N. If the same two charges are kept at the same distance in a medium of dielectric constant 8, the electric force acting between them is ____________ N.
पर्याय
1024
128
16
2
MCQ
रिकाम्या जागा भरा
उत्तर
The electric force acting between two point charges kept at a certain distance in vacuum is 16 N. If the same two charges are kept at the same distance in a medium of dielectric constant 8, the electric force acting between them is 2 N.
Explanation:
Electric force acting between the two charges is,
`"F" =1/(4piepsilon_0"K") xx ("q"_1 "q"_2)/"r"^2 Rightarrow "F'" = "F"/"K"`
`therefore "Net force on each charge" = 16/8 = 2"N" `
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