Electric Circuits: Understanding Series Circuit with Three Resistors - HELP!

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SUMMARY

The discussion focuses on calculating the equivalent resistance of a series circuit containing three resistors, each with a resistance of 9 K ohms, connected to a battery with a potential difference of 1625 mV. The equivalent resistance in a series circuit is determined by simply adding the resistances together. Therefore, the equivalent resistance for this circuit is 27 K ohms (9 K ohms + 9 K ohms + 9 K ohms). Understanding the principles of series and parallel resistor configurations is essential for solving such problems.

PREREQUISITES
  • Basic understanding of electric circuits
  • Knowledge of Ohm's Law
  • Familiarity with series and parallel resistor configurations
  • Ability to perform calculations with resistances
NEXT STEPS
  • Study the concept of equivalent resistance in parallel circuits
  • Learn about Ohm's Law and its applications in circuit analysis
  • Explore Kirchhoff's laws for circuit analysis
  • Practice solving problems involving multiple resistors in series and parallel
USEFUL FOR

This discussion is beneficial for students studying electrical engineering, educators teaching circuit theory, and anyone preparing for quizzes or exams on electric circuits.

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electric circuits-- HELP!

Ok, so I have a quiz on this material tomorrow and I am thoroughly confused. My teacher gave us review problems and I keep getting them wrong. One of them was:
Answer the below questions for a case in which three resitors are positioned in a series with a battery and each of the three resistors is 9 K ohms. The battery potential difference is 1625 mV.
(a) What is the equivalent resistance of the circuit?

Please help me figure out where to start... I am so confused.

-Olivia
 
Physics news on Phys.org
First you should review what to do with resisters in a series or parallel. If in a series do you add them or do you add the inverse? There should be something in your book that mentions what to do.
 

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