Question:
A copper ball of density 8 6 g cm 3 diameter 1 cm is
Last updated: 6/21/2023
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A copper ball of density 8 6 g cm 3 diameter 1 cm is immersed in oil of density 0 8 g cm If the ball remains suspended in oil in a uniform electric field of intensity 36000 NC 1 acting in upward direction what is the charge on the ball