Electrical Current & Circuits

What type of circuit is shown?

• Parallel

• Series

• Open

What is the power source in this circuit?

• Bulb

• Switch

• Wire

• Battery

The current is the same through out a series circuit.

• True

• False

An electrical circuit is powered by a 1.5-volt battery and contains a light bulb producing 5 Ohms of resistance. There is also another 5 Ohm resistor in the circuit. How many amps of current are in this circuit? HINT: V = IR

• 0.15 amps

• 15.0 amps

• 6.67 amps

• 1.50 amps

An electrical circuit is powered by a 12-volt battery and contains a light bulb. The current flowing in the circuit is 20 amps. What is the resistance of the light bulb? HINT: V = IR

• 0.6 Ohms

• 240 Ohms

• 1.67 Ohms

• 12 Ohms

An electrical circuit is powered by a battery and contains a light bulb producing 1.5 Ohms of resistance. The circuit is flowing at 4 amps of current. What is the voltage of the battery?

HINT: V = IR

• 6.0 volts

• 1.5 volts

• 9.0 volts

• 12.0 volts

What type of circuit is shown in the picture?

• Series Circuit

• Broken Circuit

• Parallel Circuit

• Open Circuit

Does this diagram represent a series or parallel circuit?

• series circuit
• parallel circuit

What unit is used to measure current?

• Ohms

• Omega

• Volts

• Amps

What unit is used to measure resistance?

• Ohms

• Omega

• Volts

• Amps