College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Question
Regarding the circuit in the left-hand part of the diagram:
a) What is the current passing through each of the resistors?
b) What is the current supplied by the battery?
c) What is the potential difference across the 12 Ω resistor?
d) How much power is turned to heat in the 4 Ω resistor?
e) If we replace the circuit on the left by the one in the right-hand part of the diagram, with the same battery and only one resistor, what resistance Req should we choose to obtain the same total current?
Transcribed Image Text:15 Q
R,
R,
R,
R.
eq
12 V
12 Q
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