Ohm's Law - Electrical Power

What is the name for the pressure that forces electrons to flow through a circuit?

• Voltage

• Capacitance

• Resistance

• Current

What is the current of a circuit that has a resistance of 5 Ω and a voltage of 2 v? Use the equation I = V / R

• 7 V

• 10 V

• 2.5 V

• 0.4 V

If the battery produced 12 Volts what would be the current flow for a 6 Ohm resistor?

Using the equation V = I * R, how would you set it up?

• V = 12 * 6

• V = 12 / 6

• 12 = I * 6

• 6 = I * 12

How many Volts would we need to produce a current flow of 8 Amps through a 6 Ohm resistor?

What are the givens and unknown?

• I=8, P=6, V=?

• R=8, I=6, V=?

• I=8, R=6, V=?

• P=8, R=6, V=?

This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit? Which equation should you use?

• P = V * I

• P = I^2 * R

• P = V^2 / R

• V = I * R

What word means how fast the electrons flow.

• Current
• Voltage
• Resistance
• Power

Tags

NGSS.HS-PS2-5

If the Voltage stays the same and Resistance is increased, Current will

• Increase

• Decrease

• Stay the same

• both increase and decrease

To complete a circuit the switch must be

• unattached
• open
• closed
• It depends

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

• 5V
• 0.2V
• 20V
• 200V

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

• 10Ώ
• 5Ώ
• 2500Ώ
• 550Ώ