Sc 9 Electricity Review

The continuous flow of electrons is ______

• Current

• Static electricity

• Voltage

• Resistance

The opposition to electron movement

• Voltage

• Static electricity

• current

• Resistance

If a bulb is added between the battery and the switch, ____

• The bulbs get brighter

• The bulbs get dimmer

• The bulb brightness stays the same

• All the bulbs go out

If you add another bulb in parallel,_____

• The bulbs get brighter

• The bulbs get dimmer

• The bulb brightness stays the same

• All the bulbs will go out

If the top bulb goes out,

• All the bulbs go out

• The other bulbs get dimmer

• There is no effect on the other bulbs

• The other bulbs get brighter

If the middle bulb goes out, _______

• The other bulb gets brighter

• The other bulb goes out

• The other bulb's brightness stays the same

• The other bulb gets dimmer

Devices in a parallel circuit receive

• equal current but different voltage

• equal voltage but different current

• equal voltage and equal current

• different voltage and different current

Devices in a series circuit receive

• Equal current but different voltage

• Equal voltage but different current

• Equal voltage and equal current

• different voltage and different current

Which of the following has the greatest resistance?

• long, thin wires

• Short, thick wires

• long, thick wires

• short, thin wires

A generator is used to produce

• Direct current

• Alternating current

• Static electricity

• Magnetism