The current flowing in a circuit containing four resistors connected in series is I=1.0A. The potential drops across the first, second and third resistors are, respectively: V=5V, V=8V and V=7V. The equivalent resistance of the circuit is R=30Ω. Find the total potential difference supplied by the battery.

The current flowing in a circuit containing four resistors connected in series is I=1.0A. The potential drops across the first, second and third resistors are, respectively: V=5V, V=8V and V=7V. The equivalent resistance of the circuit is R=30Ω. Find the total potential difference supplied by the battery.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter28: Current And Resistance

Section: Chapter Questions

Problem 67PQ

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