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Questions  >>  EAMCET  >>  Physics
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Charge passing through a conductor of cross -section area A=0.3m2 is given by q=3t2+5t+2 in coulombs, where 't't is in seconds. What is the value of drift velocity at t=2 sec. Given n=2×1025/mn3:

(1)0.77×105m/sec(2)1.77×105m/sec(3)2.08×105m/sec.(4)0.57×105m/sec
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