1.

In a neon discharge tube \[2.9\times {{10}^{18}}\,N{{e}^{+}}\] ions move to the right each second while \[1.2\times {{10}^{18}}\] electrons move to the left per second. Electron charge is \[1.6\times {{10}^{-19}}C\]. The current in the discharge tube                                                             [MP PET 1999]

A.                    1 A towards right        
B.            0.66 A towards right
C.                    0.66 A towards left    
D.            Zero
Answer» C.                    0.66 A towards left    


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