Finding currents, voltages, and equivalent resistances

Thread starter rugerts
Start date Sep 24, 2019
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Currents Equivalent

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SUMMARY

This discussion focuses on solving electrical circuit problems involving currents, voltages, and equivalent resistances. The key equations utilized are the series and parallel addition laws, along with Ohm's Law (V = I*R). Participants address specific scenarios for an open and closed switch, determining values for i2, v4, i5, equivalent resistance (Req), and source current (isource). The analysis provides a clear methodology for approaching similar circuit problems.

PREREQUISITES

Understanding of Ohm's Law (V = I*R)
Knowledge of series and parallel circuit configurations
Familiarity with electrical circuit analysis techniques
Basic skills in solving algebraic equations

NEXT STEPS

Study advanced circuit analysis techniques using Thevenin's and Norton's theorems
Learn about Kirchhoff's laws for current and voltage
Explore simulation tools like LTspice for circuit analysis
Research methods for calculating power in electrical circuits

USEFUL FOR

Electrical engineering students, circuit designers, and anyone involved in analyzing or designing electrical circuits will benefit from this discussion.

Sep 24, 2019

rugerts

Homework Statement: For switch open,
A) i2?
B) v4?
C) i5?
For switch closed,
D) Req?
E) isource?

Relevant Equations: Series and Parallel addition laws. V = I*R.

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Sep 25, 2019

ehild

Science Advisor

Homework Helper

rugerts said:

Homework Statement: For switch open,
A) i2?
B) v4?
C) i5?
For switch closed,
D) Req?
E) isource?
Homework Equations: Series and Parallel addition laws. V = I*R.

View attachment 250167 View attachment 250168

It looks correct. Have you any question?