9 The number of free electrons per 10 mm of an ordinary wire copper wire is about 2 x 102 If the average drift speed of the

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9 The number of free electrons per 10 mm of an ordinary wire copper wire is about 2 x 102 If the average drift speed of the electrons is 0 25 mm sec then the electric current flowing through the wire is 1 0 08 A 2 0 8 A 3 8A 4 80 A 7 A point obiect is placed at a point P infront of a plane mirror MN then the position coordinate of the

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