(1) A wire of resistivity p is stretched to double to its length. How does it affect the (a) Resistance (b) Resistivity? (2) Draw a circuit diagram which depicts two resistors R and Rconnected in parallel with the source, ammeter, voltmeter, key, and rheostat.

(1) A wire of resistivity p is stretched to double to its length. How does it affect the (a) Resistance (b) Resistivity? (2) Draw a circuit diagram which depicts two resistors R and Rconnected in parallel with the source, ammeter, voltmeter, key, and rheostat.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 45P: A child's electronic toy is supplied by three 1.58-V alkaline cells having internal resistances of...

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Question

(1) A wire of resistivity p is stretched to double to its length. How does it affect the
(a) Resistance
(b) Resistivity?
(2) Draw a circuit diagram which depicts two resistors R and Rconnected in parallel
with the source, ammeter, voltmeter, key, and rheostat.

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