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Multiple Choice

What is the use of a resistor?

• Voltage division

• Prevents DC current

• Prevents AC current

• Limiting or regulating current and voltage division

Multiple Choice

What is the unit of resistance?

• Ohm

• Fara

• Henry

• Wat

Multiple Choice

The correct expression of Ohm's law is:

• I = R/U

• I = U/R

• I = R/R

• I = U/U

Multiple Choice

The current flowing through the resistor (R = 6 Ω) is (0.6A). Then what is the resistors?

• 3,6V  

• 36V

• 0,1V

• 10V

Multiple Choice

Choose the correct transformation from the following:

• 1kΩ = 1000Ω = 0,01MΩ      

• 1MΩ = 1000kΩ = 1000000Ω

• 1Ω = 0,001kΩ = 0,0001MΩ  

• 10Ω = 0,1kΩ = 0,00001MΩ 

Multiple Choice

From the graph showing the dependence of the amperage on the voltage for two resistors R1; R2 in the following figure:

• R₁ = 5Ω; R₂ = 20Ω      

• R₁ = 10Ω; R₂ = 5Ω

• R₁ = 5Ω; R₂ = 10Ω

• R₁ = 20Ω; R₂ = 5Ω

Multiple Choice

Connect a conductor with resistance (R = 12 ) to the voltage (3V ), what is the current through it?

• 36A  

• 4A

• 2,5A

• 0,25A

Multiple Choice

What is the value of this resistor?

• 0,47Ω ± 5%

• 4,07Ω ± 5%

• 4,7Ω ± 5%

• 470Ω ± 5%