ohms law

How do you calculate voltage?

• Current X Resistance
• Resistance ÷ Current
• Current ÷ Resistance
• Measure it with a ruler

How do you calculate resistance?

• Voltage X Current
• Current ÷ Voltage
• Voltage ÷ Current
• Current X Amps

What voltage is needed to cause a 2A current flow through a 10Ω resistor?

• 5V
• 0.2V
• 20V
• 200V

What voltage is needed to cause a 2A current flow through a 10Ω resistor?

• 5V
• 0.2V
• 20V
• 200V

What voltage is needed to cause a 50A current flow through a 10Ω resistor?

• 15V
• 500V
• 500 kV
• 0.2V

What resistance is needed to cause a 50A current flow because of a 500V battery?

• 10Ώ
• 5Ώ
• 2500Ώ
• 550Ώ

What resistance is needed to cause a 50A current flow because of a 500V battery?

• 10Ώ
• 5Ώ
• 2500Ώ
• 550Ώ

What word means how much energy is given to / removed from the electrons.

• Current
• Voltage
• Resistance
• Power

What word means how hard it is for electrons to flow through.

• Current
• Voltage
• Resistance
• Power

What word means how fast the electrons flow.

• Current
• Voltage
• Resistance
• Power