electronics

What electronic component allows current to flow in one direction only? 

• Resistor
• LED
• Didode
• Switch

Glass is a good conductor.

• True
• False

Which of the materials is not a good conductor?

• Copper
• Silver
• Aluminum
• Mica

Electricity is: 

• Flowing electrons
• Still electrons
• voltage x wattage
• amps x watts

The symbol for voltage is: 

• Vo
• V
• W
• Amp

Current is measured in:

• Ohms
• Voltage
• Amperes
• Watts

An expression for the overall power in a circuit is: 

• watts
• voltage
• current
• resistance

If you have three 1.5V batteries in series, what would be total voltage be? 

• 3.4 V
• 4.5 V
• 1.5 V
• 3 V

A tool that measures voltage, current, resistance, and continuity is called a:

• voltmeter
• resistor
• multimeter
• screwdriver

What does this picture show?

• A multimeter
• A breadboard
• A circuit board
• A resistor