RESISTOR

1. What is the unit of resistance?

• Volt

• Ampere

• Ohm

• Watt

What does a resistor do in a circuit?

• Increases voltage

• Stores charge

• Opposes the flow of current

• Supplies power

Which color represents the number 2 in resistor color code?

• Red

• Brown

• Green

• Orange

How many bands are typically found in a 4-band resistor?

• 2

• 3

• 4

• 5

What is the significance of the third band on a 4-band resistor?

• Tolerance

• First digit

• Multiplier

• Second digit

A resistor has the color bands: Yellow, Violet, Orange, and Gold. What does this indicate?

• 47Ω ± 5%

• 47000Ω ± 5%

• 470Ω ± 10%

• 4700Ω ± 10%

What does the gold band in a resistor represent?

• 0.01 multiplier

• 5% tolerance

• 10% tolerance

• 100 multiplier

Why are resistors color-coded?

• To reduce their size

• For identification of value and tolerance

• To make them look colorful

• To increase resistance

Identify the resistance of a resistor with color bands: Brown, Black, Red, Gold.

• 100Ω ± 5%

• 1000Ω ± 5%

• 10Ω ± 5%

• 1Ω ± 5%

ou have a 220Ω resistor. Which color band combination should you look for?

• Red, Red, Black

• Red, Red, Brown

• Red, Black, Red

• Brown, Black, Red