16. A positive charge ‘Q’ is fixed at a point . A negatively charged particle of mass ‘m’ and charge ‘q’ is revolving in a circular path of radius 𝑟_1 with Q as the centre . The work to be done to charge the radius of the circular path from 𝑟_1 to 𝑟_2 in joules is 0 𝑞𝑄/(4𝜋∈_0 ) [1/𝑟_1 −1/𝑟_2 ] 𝑞𝑄/(4𝜋∈_0 ) [1/𝑟_1 −1/𝑟_2 ] 1/𝑘 𝑞𝑄/(4𝜋∈_0 ) [1/𝑟_2 −1/𝑟_1 ]

16. A positive charge ‘Q’ is fixed at a point . A negatively charged particle of mass ‘m’ and charge ‘q’ is revolving in a circular path of radius 𝑟_1 with Q as the centre . The work to be done to charge the radius of the circular path from 𝑟_1 to 𝑟_2 in joules is 0 𝑞𝑄/(4𝜋∈_0 ) [1/𝑟_1 −1/𝑟_2 ] 𝑞𝑄/(4𝜋∈_0 ) [1/𝑟_1 −1/𝑟_2 ] 1/𝑘 𝑞𝑄/(4𝜋∈_0 ) [1/𝑟_2 −1/𝑟_1 ]

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