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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 17 - Electric Charge and Field > Two pith balls each with mass m are suspended from insulating threads. When the pith balls are given equal positive charge Q, they hang in equilibrium as shown. We now increase the charge on the left pith ball from Q to 2Q while leaving its mass essentially unchanged. Which of he following diagrams best represent the new equilibrium configuration?

Two pith balls each with mass m are suspended from insulating threads. When the pith balls are given equal positive charge Q, they hang in equilibrium as shown. We now increase the charge on the left pith ball from Q to 2Q while leaving its mass essentially unchanged. Which of he following diagrams best represent the new equilibrium configuration?

It is required to hold equal charges q in equilibrium at the corners of a square. What charge when placed at the centre of the square will do this? Two pith balls each with mass m are suspended from insulating threads. When the pith balls are given equal positive charge Q