Ohm's law - practice problems - last page
Number of problems found: 110
- Resistor Ratio in Parallel
If the current flowing through the first resistor is 200 mA and the second is 0.4 A, what will be the ratio of the first and second resistors connected in parallel? - The appliance
The appliance has a power input of 2.3 kW. It is connected to the mains voltage of 230 V. What is the current flowing through the appliance? - Filament of bulb
A light bulb's filament has a resistance of 1 ohm and is connected to a voltage of 220 V. How much electric charge will pass through the filament in 10 seconds? - Bulb Current Resistance Calculation
The bulb is connected to a 4.5 V power supply. An electric current of 45 mA flows through the filament of the bulb. The calculated size of the electrical field of the filament lamp - Electrical Voltage Calculation
A resistor with an electrical resistance of 1.5 kiloohms passes through an electrical current of 0.1 amps. Calculate the electrical voltage between the resistor terminals - Coil as a girl
The electrical resistance of the copper wire coil is 2.0 ohms. What current runs through the coil when the voltage between the terminals is 3.0 V? - Resistance of the resistor The resistor terminals have a voltage of 20 V, and a current of 5 mA is passed through. What is the resistance of the resistor?
- Electric Kettle Current
The kettle is connected to a voltage of 230 V. Its resistance is 130 ohms. What is the current flowing through the kettle? - Resistance
Determine the bulb's resistance with the current 200 mA and is in a regular lamp (230 V). - Resistors
Two resistors connected in parallel give a combined resistance of $R1 Ω, and connected in series give a combined resistance of $R2 Ω. Determine the resistance of each resistor.
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