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A block 'A' of charge q1 is fixed and se...

A block 'A' of charge q1 is fixed and second block of mass m and charge q2 is allowed to free on the floor findout the range of q2 for which the particle is at rest.

Text Solution

Verified by Experts

Maximum friction `mumg`
`mumg=(kq_1q_2)/(r^2)`
`q_2=(mumgr^2)/(kq_1)`
`-(mumgr^2)/(kq_1)ltqlt(mumgr^2)/(kq_1)`
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