# GEP 474 Learning Objectives

Note: these are a working draft.

# Course-Level Learning Objectives

- Develop model-thinking skills for electrical energy
- Develop ability in quantitative estimation
- Communicate estimations to others

# Section-Level Learning Objectives

## Electricity Concepts

- Describe voltage, charge, and current
- Reason about relative current flows in series and parallel circuits
- Reason about relative energy consumption in series and parallel configurations
- Reason about relative current flows in wires of different sizes

## Electricity Circuit Models

- Recognize and describe ideal models for resistors, batteries, voltage sources
- Able to estimate voltage, current, power, and energy in circuit elements using circuit models
- Describe and recognize practical applications of circuit models
- Draw how humans can become a circuit component
- Describe basic household wiring and safety
- Apply circuit concepts to thermal circuits
- Estimate the resistance of wires from physical properties

## Batteries

- Describe current-voltage curve using ideal and internal resistance model for a battery
- Calculate current, voltage, and energy available from series and parallel combinations of batteries
- Quantify battery bank currents and voltages to loads
- Describe basic environmental and resource implications of wide-scale battery use

## Motors

- Describe how forces are produced by currents and magnets
- Describe basic parts of a motor (rotor, stator, windings)
- Estimate voltage and current to motor using simple model (back emf and copper loss)
- Predict rotation speed and torque for a motor from specifications and current provided
- Describe the function of power converters and transformers and make estimations of power or efficiency
- Estimate the efficiency of a motor based on copper loss

## Midterm 2 up to this point

## Resilience

- Describe how our electricity system can contribute to wildfires
- Describe how unintended current flow can cause ignition

## Computational techniques

- Given a time series of power data, describe how to compute the energy expended
- Given a time series of cumulative energy, describe how to compute the average power
- Connect electrical quantities to slopes and areas on time series plots