Q3. An automobile battery has a potential difference of 12.0 V and sends current through a circuit of total resistance 1.5 2 that contains a copper wire 1. 0 m long with an 0.3 cm cross- sectional area. Find: (a) the current through the wire, (b) the energy lost to heat in the circuit in one hour and (c) the distance travelled by an electron in the circuit in one hour. (Mc=63.5 g/mole, NA=6.02x 10" mole", p=8.91x10' kg/m)

Q3. An automobile battery has a potential difference of 12.0 V and sends current through a circuit of total resistance 1.5 2 that contains a copper wire 1. 0 m long with an 0.3 cm cross- sectional area. Find: (a) the current through the wire, (b) the energy lost to heat in the circuit in one hour and (c) the distance travelled by an electron in the circuit in one hour. (Mc=63.5 g/mole, NA=6.02x 10" mole", p=8.91x10' kg/m)

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 25P: A 12.0-V emf automobile battery has a terminal voltage of 16.0 V when being charged by a current of...

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