التيارات والدوائر الكهربية

قوانين التيارات والدوائر الكهربية

قوانين التيارات والدوائر الكهربية

المقالات في الفئة التيارات والدوائر الكهربية
الاسم
Two identical resistors with resistance R are connected in parallel with a power supply with a potential difference of V. Which expression represents the rate that the circuit transfers energy to a single resistor?
A 9-V battery drives a circuit containing a 10-ohms resistor. What is the current that flows through this circuit?
Two identical resistors with resistance R are connected in series with a power supply with a potential difference of V. Which expression represents the power output of the entire circuit?
A 9-V battery is wired in series with three resistors (20 ohms, 30 ohms, 15 ohms).What is the sum of the voltages around the entire circuit?
Which of the following increases the resistance of a wire?
In a circuit, 40 C of charge passes through a 10-ohms resistor in 80 s. What is the voltage that drives the current?
For the circuit shown in the figure, what is the voltage of the battery if the current is 2.0 A?
For the circuit shown in the figure, what must be the sum of the voltages around the complete circuit if the current is 10 A?
For the circuit shown in the diagram, what is the equivalent resistance of the circuit?
A space heater with a resistance of 12 ohms is connected to a 120-V power supply. How much energy is transferred to thermal energy as this device operates for 2 hours?

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