Circuit Practice

What causes current to flow?

• A. difference in electrical potential energy

• B. thermal energy

• C. static electricity

• D. magnetism

Tags

NGSS.HS-PS2-4

An example of a voltage source is a(n)

• A. magnet

• B. electrical wire

• C. battery

• D. a resistor

According to Ohm's law, Resistance is equal to to voltage divided by:

• A. potential difference

• B. conduction

• C. time

• D. current

In a series circuit with 3 bulbs:

• A. a switch is never used

• B. all of the bulbs become dimmer if another bulb is added

• C. There are many paths for electricity to take

• D. the remaining 2 bulbs stay lit if one burns out

A device that uses electrical energy as it interferes with the flow of charge is a:

• A. resistor

• B. conductor

• C. insulator

• D. superconductor

What is a circuit?

• A. A pathway that electricity flows in. It has a load, wire, and a taco

• B.A pathway that protons flow in. It has a load, wire, and a power source.

• C. A pathway that electricity flows in. It has a load, wire, and a power source.

• D. A pathway that electricity flows in. It has a load and wire.

Which best describes a parallel circuit?

• A. Electricity flows along one pathway.

• B.The flow of electricity comes from more than one source.

• C. Electricity flows along more than one pathway.

• D. The flow of electricity comes from more than 1 load.

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

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

Which best describes a simple series circuit?

• Electricity flows along one pathway.
• The flow of electricity comes from the switch.
• Electricity flows along many pathways.
• The flow of electricity comes from the light bulb.

What is an Electric Current?

• A. An Electric Field
• B. An Ampere
• C. The flow of electric charge.