Two batteries are connected in parallel. The e.m.f. and internal resistance of one battery are 80V and 6Ω respectively and the corresponding values for the other are 95V and 8Ω . A resistor of 75Ω is connected across the battery terminals. Calculate (a) the current through the 75Ω resistor, and (b) the value and direction of the current through each battery. If the 75Ω resistor were increased to 90Ωresistance, find the new current through it.
Two batteries are connected in parallel. The e.m.f. and internal resistance of one battery are 80V and 6Ω respectively and the corresponding values for the other are 95V and 8Ω . A resistor of 75Ω is connected across the battery terminals. Calculate (a) the current through the 75Ω resistor, and (b) the value and direction of the current through each battery. If the 75Ω resistor were increased to 90Ωresistance, find the new current through it.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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Two batteries are connected in parallel. The e.m.f.
and internal resistance of one battery are 80V and 6Ω respectively and the
corresponding values for the other are 95V and 8Ω . A resistor of 75Ω is
connected across the battery terminals. Calculate (a) the current through
the 75Ω resistor, and (b) the value and direction of the current through
each battery. If the 75Ω resistor were increased to 90Ωresistance, find the
new current through it. 15. Three resistors having resistances 70Ω, 120Ω
and 180Ω are star-connected to terminals A, B and C respectively. Calculate the resistances of equivalent delta-connected resistors.
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