Electric Circuits Quiz

What is the direction of electron flow in a circuit?

• It does not flow

• From positive to negative

• In both directions

• From negative to positive

Which of the following is NOT a material needed to create the circuit in the video?

• Triple A batteries

• E10 flashlight bulbs

• Uncoated copper wire

• Phillips screwdriver

What happens when the wires are connected to the battery terminals in a series circuit?

• The light bulb explodes

• The light bulb dims

• The light bulb lights up

• Nothing happens

In a series circuit, what happens to the brightness of the bulbs when another bulb is added?

• The brightness stays the same

• The brightness decreases

• The brightness increases

• The bulbs turn off

What occurs when one bulb is unscrewed in a series circuit?

• The other bulb gets brighter

• The other bulb stays lit

• The circuit breaks and both bulbs go out

• The other bulb flickers

How does adding an extra battery affect the brightness of the bulbs in a series circuit?

• The bulbs become dimmer

• The bulbs become brighter

• The bulbs turn off

• The bulbs explode

What is the effect of unscrewing one bulb when two batteries are connected in a series circuit?

• The other bulb gets brighter

• The other bulb stays lit

• The circuit breaks and both bulbs go out

• The other bulb flickers

What type of circuit allows each bulb to have its own path for electricity?

• Series circuit

• Parallel circuit

• Open circuit

• Closed circuit

In a parallel circuit, what happens when one bulb is removed?

• The other bulb stays lit

• The circuit breaks

• The other bulb turns off

• The other bulb flickers

What is a key difference between series and parallel circuits?

• Series circuits have a single path for electricity

• Parallel circuits have a single path for electricity

• Parallel circuits do not use electricity

• Series circuits have multiple paths for electricity