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Charge passing through a conductor of cross-section area A=0.3 m² is given

Charge Passing Through A Conductor Of Crosssection Area A03 M Physics Question

Charge passing through a conductor of cross-section area A=0.3 m² is given by q=3t²+5t+2 in coulomb, where t is in second. What is the value of drift velocity at t= 2 s?(Given, n=2×10²⁵/m³)

Options

(a) 0.77×10⁻⁵m/s
(b) 1.77×10⁻⁵m/s
(c) 2.08×10⁵m/s
(d) 0.57×10⁵ m/s

Correct Answer:

1.77×10⁻⁵m/s

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Current Electricity (136)
Subject: Physics (2479)

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1 Comment on Charge passing through a conductor of cross-section area A=0.3 m² is given

  1. I = dq/dt = 6t+5 = 6×2+5= 17A. Therefore Drift Vel.= I/nAe = 17/2×10^25×0.3×1.6×10^(-19) = 1.77×10^(-5)m/s

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