A copper wire of 10 N and length L. At what point along its length must the wire be cut out so that the resistance of one piece is 4 times the resistance of the other? O A 4L/5 O B. L/5 O C 2L/5 O D. L/6 O E. 3L/5

A copper wire of 10 N and length L. At what point along its length must the wire be cut out so that the resistance of one piece is 4 times the resistance of the other? O A 4L/5 O B. L/5 O C 2L/5 O D. L/6 O E. 3L/5

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 2OQ: Wire B has twice the length and twice the radius of wire A. Both wires are made from the same...

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Question

A copper wire of 10 Q and length L. At what point along its length must the wire be cut out so that the resistance of one piece is 4
times the resistance of the other?
OA 4L/5
O B. L/5
O C. 2L/5
O D. L/6
OE. 3L/5

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