1. What current flows through a 2.54 cm diameter rod of pure silicon that is 20.0 cmlong, when 1.00 x 10°V is applied to it?2. Find the ratio of the diameter of aluminium to copper wire, if they have the sameresistance per unit length. Take the resistivity values of aluminium and copper tobe 2.65x 10- 2m and 1.72 x 10-® 2 m respectively.Answers to the following question will be relevant for the in-labs. Please noteyour answers when going in for the main lab session.

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Answered: 1. What current flows through a 2.54 cm…

1. What current flows through a 2.54 cm diameter rod of pure silicon that is 20.0 cm long, when 1.00 × 10°V is applied to it?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 81CP: A 10-gauge copper wire has a cross-sectional area A=5.26mm2 and carries a current of I=5.00A . The...

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Question

1. What current flows through a 2.54 cm diameter rod of pure silicon that is 20.0 cm
long, when 1.00 x 10°V is applied to it?
2. Find the ratio of the diameter of aluminium to copper wire, if they have the same
resistance per unit length. Take the resistivity values of aluminium and copper to
be 2.65x 10- 2m and 1.72 x 10-® 2 m respectively.
Answers to the following question will be relevant for the in-labs. Please note
your answers when going in for the main lab session.

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