DES Lessons 2-5 Quiz Review

Diode 

•  allows current to flow in one direction
•  allows current to flow in two directions
• is a resistor

What is the total resistance of three 10,000 ohm resistors in series?

• 300,000.0 ohms
• 3,000.0 ohms
• 30,000 ohms
• 3.0*10^6 ohms

Emits light when a current passes through it

• fuse
• diode
• LED
• resistor

What is resistance measured in?

• volts
• Amperes (Amps)
• Ohms
• Coulombs

What is the variable with variable symbol R?

• Current
• Voltage
• Resistance
• None of the Above

Which resistor will prevent the most current flow?

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

How does resistance affect current?

• less resistance - less current
• more resistance - less current
• more resistance - more current
• resistance does not affect current

LED stands for

• light-emitting diodes

• liquid-emitting diodes

• light-emitting display

• liquid-emulsion display

This is a measure of electrical pressure

• Curcuit
• Amps
• Volts
• Watts

Measure of electrical current flow

• Curcuit
• Amp
• Volt 
• Watt