Two resistors, ?1=2.23 ΩR1=2.23 Ω and ?2=6.87 ΩR2=6.87 Ω , are connected in series to a battery with an EMF of 24.024.0 V and negligible internal resistance. Find the current ?1 through ?1 and the potential difference ?2 across ?2 .
Two resistors, ?1=2.23 ΩR1=2.23 Ω and ?2=6.87 ΩR2=6.87 Ω , are connected in series to a battery with an EMF of 24.024.0 V and negligible internal resistance. Find the current ?1 through ?1 and the potential difference ?2 across ?2 .
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter29: Direct Current (dc) Circuits
Section: Chapter Questions
Problem 19PQ
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Two resistors, ?1=2.23 ΩR1=2.23 Ω and ?2=6.87 ΩR2=6.87 Ω , are connected in series to a battery with an EMF of 24.024.0 V and negligible internal resistance. Find the current ?1 through ?1 and the potential difference ?2 across ?2 .
Expert Solution
Step 1
Let Rs denote the equivalent resistance of two resistors R1 and R2 connected in series. It can be evaluated as follows.
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