Resistors and Circuits

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

The third color band is a _______ or __________

• Gold or Silver
• Green or Blue
• 2k or 5k ohms
• multiplier or number of zeros

What is the color code for a Orange, Black, Red resistor?

• 3k Ohms
• 200 Ohms
• 300 Ohms
• 2K Ohms

How does resistance affect current?

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

What are the color codes for a 470k ohm resistor?

• Yellow, Violet, Yellow
• Orange, Grey, Orange
• Yellow, Violet, Orange
• Orange, Grey, Yellow

What is the resistance for a Red, Brown, Black resistor?

• 21 Ohms
• 210 Ohms
• 12 Ohms
• 120 Ohms

What is the tolerance for a Green, Red, Black, Gold resistor?

• 1%
• 20%
• 5%
• 10%

What are the color codes for a 210 ohm resistor?

• brown, grey, red
• brown, black, yellow
• red, brown, brown
• brown, black, brown

What is the opposition to the flow of current in a conductor?

• power
• resistance
• power
• potential difference