12. The resistance R of a conductor of length L and area of cross - section Acarrying a current I is given by:a) R=pA/L, where p=specific resistanceb) R = VI, where V = potential differentc) R = OA, where o = electrical conductivityd) R = 2mL/ne 2 TA. WhereT = relaxation time, n the electron density e theelectronic charge and m is the mass of an electron

12. The resistance R of a conductor of length L and area of cross - section A carrying a current I is given by: a) R=pA/L, where p=specific resistance b) R = VI, where V = potential differentc) R = 0A, where o = electrical conductivity d) R = 2mL/ne 2 TA. Where t = relaxation time, n the electron density e the electronic charge and m is the mass of an electron

12. The resistance R of a conductor of length L and area of cross - section A carrying a current I is given by: a) R=pA/L, where p=specific resistance b) R = VI, where V = potential differentc) R = 0A, where o = electrical conductivity d) R = 2mL/ne 2 TA. Where t = relaxation time, n the electron density e the electronic charge and m is the mass of an electron

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter20: Electric Current, Resistance, And Ohm's Law

Section: Chapter Questions

Problem 9CQ: In which of the three semiconducting materials listed in Table 20.1 do impurities supply free...

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