Current and Circuits Review

What will happen if one light bulb is removed from this circuit?

• The other bulbs will go out.
• The other bulbs will stay on
• The other bulbs will get dimmer.
• The battery will become stronger.

When you remove a bulb from a three bulb circuit, and the other two bulbs go off, then the bulbs must have been connected in __________.

• parallel
• series
• open
• closed

What is the difference between a conductor and an insulator?

• An insulator allows electricity to flow through it easily and a conductor does not
• A conductor allows electricity to flow through it easily and an insulator does not.
• An insulator is magnetic and a conductor is not
• A conductor is magnetic and an insulator is not

Tags

NGSS.HS-PS2-6

How was voltage represented in the water analogy?

• an electric dam converting water to electricity

• the amount of water in a large container (e.g. water tower)

• the flow of water through the pipes

• turning a faucet on and off

How was current represented in the water analogy?

• an electric dam converting water to electricity

• the amount of water in a large container (e.g. water tower)

• the flow of water through the pipes

• turning a faucet on and off

In a parallel circuit which of the following is the same value throughout the circuit?

• Voltage
• Current
• Resistance
• Charge

What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?

• 25 V
• 10 V
• 2.5 V
• 0.4 V

If the battery produced 12.6 Volts what would be the current flow for a 6 Ohm resistor?

• 2.1 Amps

• 2.4 Amps

• 1.71 Amps

• 15 Amps

A lamp plugged into a standard american outlet (120 V) uses 0.8 A of current. What is the power in the circuit?

• 0.007 W

• 96 W

• 120 W

• 150 W

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-3

What is the power of the circuit?

• 0.33 W

• 3 W

• 8 W

• 12 W

Tags

NGSS.HS-PS2-5