A 28 Ohm bulb is connected across a 12V battery having 4.4 Ohms of internal resistance. b) What percentage of the power of the battery is dissipated across the internal resistance of the battery and hence is not available to the bulb? (%)

A 28 Ohm bulb is connected across a 12V battery having 4.4 Ohms of internal resistance. b) What percentage of the power of the battery is dissipated across the internal resistance of the battery and hence is not available to the bulb? (%)

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter10: Direct-current Circuits

Section: Chapter Questions

Problem 3CQ: Show that the power dissipated by the load resistor is maximum when the resistance of the load...

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A 28 Ohm bulb is connected across a 12V battery having 4.4 Ohms of internal
resistance.
b) What percentage of the power of the battery is dissipated across the internal
resistance of the battery and hence is not available to the bulb? (%)

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