Need help both a and b (10%) Problem 6: A current of 1-67 A is passing through a

Question

Need help both a and b

(10%) Problem 6: A current of 1-67 A is passing through a conductor with cross sectional area A 6.5 × 10-4 m2. The charge carriers in the conductor, electrons, have a number density n = 1.5 x 1027 m-3. ©theexpertta.com 50% Part (a) Express the drift velocity of electrons through 1, A, n, and the fundamental charge e Grade Summarv Deductions Potential 0% 100% Submissions Attempts remaining: 7 % per attempt) detailed view In 0 Submit Hint I give up! Hints: 0% deduction per hint. Hints remaining: 1 Feedback: 0% deduction per feedback 50% Part (b) Calculate the numerical value of v, in m/ts All content © 2018 Expert TA, LLC

Explanation / Answer

a)

I = n*e*a*vd

so,

vd = I/(neA)

b)

vd = I/(neA)

= 6.7 / (1.5*10^27 * 1.602*10^-19 * 6.5*10^-4)

= 6.7 / (1.56*10^5)

= 4.3*10^-5 m/s

Answer: 4.3*10^-5 m/s

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