Electrical Circuit Calculations

 

Engineering Studies – P4 Biomedical Engineering – Electricity

This topic covers the concepts of electrical flow in an electrical circuit and how to calculate various electrical values in an electrical circuit.

Key Concepts

  • Electrical quantities
  • Ohm’s law
  • Series and parallel circuits
  • Power sources

Discussion Questions

  1. Discuss the concepts of electrical flow.
  2. Define the quantities:
    1. Electromotive force (EMF)
    2. Resistance
    3. Current
  3. Why is Ohm’s law relevant?
  4. Describe a circuit with components in ‘parallel’ compared with components in ‘series’.
  5. How does a battery create and store electricity?

 

Downloads

circuit calcs 544 KB
EEE042A Measure voltage, current and resistance NSW DET 2006 2006/060/09 LRR 3668

Videos

Ohms Law - Past HSC Question/answer - eureka Series - YouTube
Electromotive Force (EMF) - Nationall MagLab - YouTube
Calculating electricity usage
Amp hour calculations - Mr A Fairbanks
Power - Mr A Fairbanks
Resistance - Mr A Fairbanks
1 -Measuring Potential Difference - Australian National University - MeriSTEM
2 -Measuring Current - Australian National University - MeriSTEM
3 -Ammeters and Voltmeter setup - Australian National University - MeriSTEM
4 -Power - Australian National University - MeriSTEM
5 -Resistance - Australian National University - MeriSTEM
6 - Ohm's Law - Australian National University - MeriSTEM
7 - Resistivity - Australian National University - MeriSTEM
7 - Resistivity of materials - Australian National University - MeriSTEM
8 - Resistors in Series - Australian National University - MeriSTEM
9 - Resistors in Parallel - Australian National University - MeriSTEM
10 - Series and Parallel connections - Australian National University - MeriSTEM