An isolated charge q1 of mass m is suspended freely by a thread of length l. Another charge q2 is brought near it ( r>> l ) . when q1 is in equilibrium
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An isolated charge q1 of mass m is suspended freely by a thread of length l. Another charge q2 is brought near it ( r>> l ) . when q1 is in equilibrium , tension in thread will be An isolated charge q1 of mass m is suspended freely by a thread of length l. [...]