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AP and TS EAMCET Engineering 2020 Model Paper 3

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Question : 106

Total: 160

Charge Passing through a conductor of cross-section area 0.3m2 is given by q=3t2+5t+2 in coulomb, where 't' is in second. The value of drift velocity at t=2S is
(Given n=2×1025∕m3)

0.77×10−5ms−1
1.77×10−5ms−1
2.08×10−5ms−1
0.57×10−5ms−1

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