A 12 V battery, a 6 Ω resistor and a 12 Ω resistor are connected in parallel. The battery has an internal resistance of 4 Ω. i)Draw the circuit diagram ii)Calculate the current flowing through the battery iii)Calculate the voltages across the three resistances.

A 12 V battery, a 6 Ω resistor and a 12 Ω resistor are connected in parallel. The battery has an internal resistance of 4 Ω. i)Draw the circuit diagram ii)Calculate the current flowing through the battery iii)Calculate the voltages across the three resistances.

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

A 12 V battery, a 6 Ω resistor and a 12 Ω resistor are connected in parallel. The battery has an internal resistance of 4 Ω.

i)Draw the circuit diagram

ii)Calculate the current flowing through the battery

iii)Calculate the voltages across the three resistances.

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