Resistor Codes and Ohm's Law

What material is a resistor made of?

• Graphite
• Carbon
• Glass
• Mica

What does the 3rd band on a resistor represent?

• A number
• The Tolerance level
• The multiplier
• The electronic range

Which resistor will prevent the most current flow?

• 1 ohm
• 100 ohms
• 1000 ohms
• 0.5k ohms

What is the purpose of a resistor?

• control current flow
• allow current flow
• prevent current flow
• allow heat to build up

What is the value of a resistor with the colour code: Red, Orange, Green?

• 234 ohms

• 20004 ohms

• 230000 ohms

When using electricity, what are V, I, and R?

• Venezuela, India, Republic of Korea

• Variable, Integer, Real Number

• Violet, Indigo, Red

• Voltage, Current Intensity, Resistance

• Three letters

Current is measured in:

• Ohms
• Voltage
• Amperes
• Watts

What is the name for the flow of electrons in an electric circuit?

• Voltage

• Resistance

• Capacitance

• Current

What is the electrical term for the electromotive force (EMF) that causes electron flow?

• Voltage

• Ampere-hours

• Capacitance

• Inductance

Which of the following is a good electrical conductor?

• Glass

• Wood

• Copper

• Rubber