Current in a Network of Resistors

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SUMMARY

The discussion focuses on calculating current in a network of resistors, specifically using Ohm's Law (R = V/I) and the formulas for equivalent resistance in series (Req = R1 + R2) and parallel (1/Req = 1/R1 + 1/R2). Participants are encouraged to show their calculations to facilitate assistance, particularly regarding the voltage drop across the 8Ω resistor (R2). The context is a homework problem requiring precise application of these electrical principles.

PREREQUISITES
  • Understanding of Ohm's Law (R = V/I)
  • Knowledge of series and parallel resistor configurations
  • Ability to perform basic algebraic calculations
  • Familiarity with voltage drop concepts in electrical circuits
NEXT STEPS
  • Study the implications of voltage drops in series circuits
  • Learn how to calculate equivalent resistance in complex resistor networks
  • Explore practical applications of Ohm's Law in real-world scenarios
  • Investigate the use of simulation tools for circuit analysis
USEFUL FOR

Students studying electrical engineering, physics enthusiasts, and anyone needing to understand resistor networks and current calculations.

cbb12
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Homework Statement


http://img97.imageshack.us/i/physicsquestion.png/

Homework Equations


R= V/I
For Series: Req= R1+R2
For Parallel: 1/Req= 1/R1+1/R2

The Attempt at a Solution


I have two attempts remaining for each question
 
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cbb12 said:

Homework Statement


http://img97.imageshack.us/i/physicsquestion.png/

Homework Equations


R= V/I
For Series: Req= R1+R2
For Parallel: 1/Req= 1/R1+1/R2


The Attempt at a Solution


I have two attempts remaining for each question


Show us your calculations so that we can help you.
 
What's the voltage drop across R2, the 8Ω resistor?
 

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