What should be the position of charge ...

What should be the position of charge ` q = 5 mu C ` for it to be in equilibrium on the line joining two charges ` q_1 = -4 mu C and q _ 2 = 16 mu C ` separated by 9 cm. Will the position change for any other value of charge q ? ( 9 cm from - 4 ` muC` )

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CBSE COMPLEMENTARY MATERIAL-ELECTROSTATICS AND CURRENT ELECTRICITY -NUMERICALS

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