Series Circuits and Ohm's Law

what kind of circuit is this?

• parallel

• series

• partial

• open

What kind of circuit is this?

• series

• parallel

What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?

• 1/3 ohms

• 3 ohms

• 27 ohms

• 9 ohms

What is the current in a circuit with 6 ohms of resistance and a battery containing 24 Volts?

• 1/4 A

• 144 A

• 4 A

• 0.4 A

What is the voltage of a circuit with 4 ohms of resistance and 3 amps of current?

• 12 V

• 21 V

• 4/3 V

• 3/4 V

This graph shows the relationship between voltage and current in a circuit with one resistor. According to the graph, which of the following is true?

• There is an inverse relationship between voltage and current.

• There is a direct relationship between resistance and current.

• There is no relationship between voltage and current.

• There is a direct relationship between voltage and current.

In a series circuit with a constant voltage, what happens to the current as you add more loads or more resistance?

• Current increases

• Current decreases

• Current decreases then increases

• Current remains the same

Tasha made this model. In her model the bulb is not lit.

Which of these statements best explains why the bulb is not lit?

• The wires are connected to the wrong battery terminals.

• The bulb is burned out.

• The switch is open.

• A wire is missing.

What resistance is needed to cause a 20A current flow because of a 100V battery?

• 0.2Ώ
• 2000Ώ
• 120Ώ
• 5Ώ

What is the current through this circuit?

• 2 amps

• 20 amps

• 0.5 amps

• 50 amps