Ohm's Law Calculation Practice

Calculate the voltage in the following circuit: Current = 2A, resistance = 10 Ohms. V = ___ V

• 20 V

• 15 V

• 25 V

• 10 V

Calculate the voltage in the following circuit: Current = 5A, resistance = 2 Ohms. V = ___ V

• 10 V

• 5 V

• 15 V

• 20 V

Calculate the voltage in the following circuit: Current = 100A, resistance = 2.3 Ohms. V = ___ V

• 230

• 200

• 250

• 300

Calculate the current in the following circuit: Voltage = 10V, resistance = 2 Ohms. I = ___ A

Calculate the current in the following circuit: Voltage = 120V, resistance = 40 Ohms. I = ___ A

Calculate the current in the following circuit: Voltage = 230V, resistance = 5 Ohms. I = ___ A

• 46

• 50

• 40

• 55

Calculate the resistance in the following circuit: Voltage = 230V, current = 10A. R = ___ Ohms

• 23

• 20

• 25

• 30

Calculate the resistance in the following circuit: Voltage = 12V, current = 1.5A. R = ___ Ohms

• 8

• 6

• 10

• 12

Calculate the resistance in the following circuit: Voltage = 60V, current = 2A. R = ___ Ohms

• 30 Ohms

• 20 Ohms

• 40 Ohms

• 10 Ohms

How does the resistance change with the brightness of the lamp?

• Resistance increases with brightness

• Resistance decreases with brightness

• Resistance remains constant with brightness

• Resistance first increases then decreases with brightness