Introduction to Robotics/Electrical Components/Assignment/Students

Introduction to Robotics Electrical Components: Lecture (For Students) (For Teachers) —

Lab (For Students) (For Teachers) — Assignment (For Students) (For Teachers) — Quiz (For Students) (For Teachers)

Reading

• Read Circuit Theory: Circuit Basics
• Read Circuit Theory: Resistors

Questions

Ohm's Law

1. A computer serial port cable has a few requirements: the signal is 5 volts, and the total current flowing into the port can be up to 2 milliamps. If the current is too high, the circuit will be ruined. How much resistance must a serial cable have at 5 volts to keep the current below 2 milliamps?
2. If we have a circuit with a set resistance R, we want to change the voltage and measure the current. Which of the following shapes is our graph likely to have:
   1. Parabola
   2. Hyperbola
   3. Line
   4. Sine Wave

Resistors

You have the following resistor color codes, what resistance do these correspond to?

brown	black	brown	gold

orange	orange	red	gold

brown	black	yellow	gold