التيارات والدوائر الكهربية

قوانين التيارات والدوائر الكهربية

قوانين التيارات والدوائر الكهربية

المقالات في الفئة التيارات والدوائر الكهربية
الاسم
Two 40-ohms resistors wired in parallel are connected in series with a 20-ohms resistor and a power supply. The current in each of the parallel resistors is 1.5 A. What is the current flowing through the 20-ohms resistor and the power supply, respectivel
A 9-V battery drives 3 A of electric current through a resistor. What is the power dissipated by the resistor?
Which of the following are true about the power output of a circuit?
A resistor dissipates 100 kW of power when a 5-A current passes through it. What is the value of its resistance?
What happens to the resistance of a wire when its cross-sectional area is doubled?
For the circuit in the diagram, the third resistor (R3) dissipates how much energy each second?
The resistance of a wire does NOT depend on which of the following?
As the temperature increases, what happens to the current-carrying ability of a wire?
For the circuit shown in the figure, what is the value of the current leaving the parallel branch of the circuit?
What is the current flowing through the circuit shown in the diagram?

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