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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A very small sphere of mass 80 g having a charge q is held at a height of 9 m vertically above the center of a fixed conducting sphere of radius 1m, carrying an equal charge q. When released, it falls until it is repelled back just before it comes in contact with the shpere as shown in Fig. 47. Calculate the charge q.[g=10ms^^−2].

A very small sphere of mass 80 g having a charge q is held at a height of 9 m vertically above the center of a fixed conducting sphere of radius 1m, carrying an equal charge q. When released, it falls until it is repelled back just before it comes in contact with the shpere as shown in Fig. 47. Calculate the charge q.[g=10ms^^−2].

A very small sphere of mass 80 g having a charge q is held at a height of 9 m vertically above the center of a fixed conducting sphere of radius 1m carrying an equal charge q. When released it falls until it is repelled back just before it comes in contact with the shpere as shown in Fig. 47. Calculate the charge q.[g=10ms^^−2].