Concept explainers
The currents flowing in the circuit and show the steps followed in the problem-solving strategies for series and parallel resistors.
Answer to Problem 38PE
Explanation of Solution
Given information:
The given figure is
Introduction:
Kirchhoff's second rule states that in a closed loop the sum of all the voltages is equal to zero.
Kirchhoff's second rule is also known as Kirchhoff's voltage law.
It states that all the energy is conserved.
Apply Kirchhoff's loop rule to loop
Apply Kirchhoff's loop rule to loop
Now apply the Kirchhoff's junction rule
Equate
Substitute
Substitute
The steps followed in the problem solving strategies for series and parallel resistors are:
At first add the series resistors and parallel resistors which will give the equivalent resistance such as Equivalent resistance of several resistors connected in series is
For
Equivalent resistance of several resistors connected in parallel is
For
b)Now the desired term can be calculated such as current, power or voltage.
Conclusion:
The currents flowing in the circuit are
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Chapter 21 Solutions
COLLEGE PHYSICS
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