Understanding Resistors and Their Ratings

What is the resistance value of a resistor with the colour bands: Brown, Black, Red, and Gold?

• 1.0 kΩ ±5%

• 1.0 Ω ±5%

• 100 Ω ±5%

• 10 kΩ ±5%

Which of the following is the correct colour code for a 4.7 kΩ resistor with a tolerance of ±10%?

• Yellow, Violet, Red, Silver

• Yellow, Violet, Orange, Gold

• Yellow, Violet, Red, Gold

• Yellow, Violet, Orange, Silver

What is the power rating of a resistor with a resistance of 220 Ω and a current of 0.1 A flowing through it?

• 2.2 W

• 0.22 W

• 22 W

• 0.022 W

Which type of resistor is known for having a variable resistance?

• Fixed Resistor

• Thermistor

• Potentiometer

• Light Dependent Resistor (LDR)

What is the resistance value of a resistor with the colour bands: Red, Red, Brown, and Gold?

• 220 Ω ±5%

• 2.2 kΩ ±5%

• 22 Ω ±5%

• 220 kΩ ±5%

What is the colour code for a 1 kΩ resistor with a tolerance of ±5%?

• Brown, Black, Red, Gold

• Brown, Black, Orange, Gold

• Brown, Black, Red, Silver

• Brown, Black, Orange, Silver

Which type of resistor changes its resistance with temperature?

• Fixed Resistor

• Thermistor

• Potentiometer

• Light Dependent Resistor (LDR)

If a resistor has a resistance of 470 Ω and a power rating of 0.25 W, what is the maximum voltage it can handle?

• 10.8 V

• 15.3 V

• 12.2 V

• 11.0 V

NTC Thermistor value ________ when temperature increases

• Decreases

• Increases

• No Change

• Ideal

Voltage dependent resistors decreses their resistance when voltage ________

• Decreases

• Increases

• Remain same

• cancels