# Kirchhoff's law

Two resistors with 100 Ω and 300 Ω resistors are connected in series. A current of 1.8 A passes through the first 100Ω resistor. What current flows through the second resistor?

I2 =  1.8 A

### Step-by-step explanation: Did you find an error or inaccuracy? Feel free to write us. Thank you! ## Related math problems and questions:

• Two resistors Two resistors 20 Ω and 60 Ω are connected in series and an external voltage of 400 V is connected to them. What are the electrical voltages on the respective resistors? Please comment!
• R1+R2 in parallel The resistance ratio of the first and second resistors is 3: 1 and the current flowing through the first resistor is 300 mA. What current flows through the second resistor (resistors connected in parallel)?
• Lowest voltage Three resistors with resistors R1 = 10 kΩ, R2 = 20 kΩ, R3 = 30 kΩ are connected in series and an external voltage U = 30 V is connected to them. On which resistor is the lowest voltage?
• Resistors Two resistors connected in series give the resulting resistance 245Ω and 60Ω in parallel. Determine the resistance of these resistors.
• Resistor Resistor 1 with a resistance of 100 Ohms and resistor 2 with a resistance of 400 Ohms are connected side by side in the circuit. There is a voltage of 80V between the resistor terminals. a) Draw a circuit diagram and write the entered quantities in it b)
• Mains voltage How much electric current flows through the appliance with a resistance of 40kΩ, which is connected to the mains voltage (230 V)?
• Direction indicator As that which the electrical voltage is connected to the lamp direction indicator 7400 mOhm resistance when current of 1.6 A passes through it?
• Serial connection If the voltage on the first resistor is 6 V and the resistance ratio of the first and second resistors is 1: 3, what will be the voltage across the second resistor if they are connected in series?
• Circuit voltage Calculate the closed circuit voltage. Calculate the power on the resistors. R1 = 30 ohms, R2 = 10 ohms. I = 0.1A. U =?. The resistors are connected in series, one after the other.
• Effective and mean voltage A voltage divider consisting of resistors R1 = 103000 Ω and R2 = 197000 Ω is connected to the ideal sine wave voltage source, R2 is connected to a voltmeter which measures the mean voltage and has an internal resistance R3 = 200300 Ω, the measured value i
• Resistance - ohms If the resistance of the first resistor is 300 ohms and the resistance of the second resistor is 100 ohms. What is the resulting resistance?
• Resistance A resistor having an electrical resistance of 1.5 k ohms passes an electrical current of 0.1 A. Calculate what voltage is between the terminals of the resistor.
• Filament of bulb The filament of bulb has a 1 ohm resistivity and is connected to a voltage 220 V. How much electric charge will pass through the fiber when the electric current passes for 10 seconds?
• The bulb What is the resistance of a filament lamp when it is connected to a 9V battery and has a current of 120 mA?
• Current in the conductor Calculate the current in the conductor (in mA) if it is connected to a 4.5 V voltage source and its resistance is 20 (ohm).
• Coils of transformer The primary coil of the transformer has 400 turns, a current of 1.5 A passes through it and is connected to a voltage of 220 V. For the secondary coil, find the voltage, current, and a number of turns if the transformation ratio k = 0.1.
• Closed circuit In a closed circuit, there is a voltage source with U1 = 12 V and with an internal resistance R1 = 0.2 Ω. The external resistance is R2 = 19.8 Ω. Determine the electric current and terminal voltage.