LPHS Circuits Review

Voltage Gain from a battery or Voltage Drop for a lightbulb is analogous to the...

• Power of a circuit

• Energy supplied or consumed by that part

• Resistance of the current flow

• Current in the Circuit

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-3

What happens to the total resistance of a parallel circuit as you add resistors?

• Increases

• Decreases

• Stays the Same

• Goes to Zero

What happens to the total current of a circuit as you place more and more resistors in parallel?

• Increases

• Decreases

• Stays the Same

• Becomes zero somehow

What happens to the total voltage of a circuit as you place more and more resistors in parallel?

• Increases

• Decreases

• Stays the Same

• Becomes zero somehow

A resistor has a voltage drop of 18 volts and a current through it of 3 amps. What is its resistance?

• 20 V

• 5 V

• 0.2 V

• 10 V

A resistor with 15 ohms of resistance and a voltage of 4 volts has how much current?

• 60 amps

• 0.267 amps

• 3.75 amps

• 1.25 amps

Match the following circuits to their pictures

• Combo Circuit

• 
• Short Circuit

• 
• Series Circuit

• 
• Parallel Circuit

• 
• Open Circuit

• 

If a 2Ω and a 4Ω resistor are in series with each other what is the total resistance on the circuit?

• 2 Ω

• 4 Ω

• 1.33 Ω

• 6 Ω

If a 6 Ω and 2 Ω resistor are in parallel with each other what is the total resistance on the circuit?

• 12 Ω

• 4 Ω

• 1.5 Ω

• 8 Ω