chapter 27 circuits potential method kirchhoff's voltage law
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Chapter 27 Circuits
210
Potential Method
Kirchhoff's voltage law
Start at point a walk clockwise around the circuit until back at a,
Chapter 27 Circuits
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Chapter 27 Circuits
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27-5 Other Single-Loop Circuits
Extend the simple circuit of Fig. 27-3 in two ways
1. Internal Resistance
FIG.27-4 (a) A single loop circuit containing a real
battery having internal resistance r emf ε
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2. Resistances in Series
FIG.27-4 (b) The same circuit spread out in a linethe potentials encountered in traversing the circuit clockwise from a are also shown Va arbitrarilyassigned zero other potentials in the circuit graphed relative to Va'
FIG.27-5 (a) Three resistors connected in series between points a b.
Chapter 27 Circuits
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FIG.27-5 (b) An equivalent circuit with the three resistors replaced with their equivalent resistance Req.
Chapter 27 Circuits
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