Static Electricity and Triboelectric Charging Quiz

What is the primary method by which triboelectric charging occurs?

• By exposing the objects to light

• By cooling the objects

• By rubbing two different materials together

• By heating the objects

In triboelectric charging, what happens to a material that gains electrons?

• It becomes negatively charged

• It loses electrons

• It becomes neutral

• It becomes positively charged

When a vinyl balloon is rubbed on human hair, which material becomes negatively charged?

• The human hair

• Both become negatively charged

• Neither becomes negatively charged

• The vinyl balloon

Which material has a higher electron affinity: glass or silk, when rubbed together?

• Both have the same affinity

• Silk

• Glass

• Neither has affinity

What is electron affinity?

• The weight of electrons in a material

• The attraction a material has for electrons

• The speed at which electrons move in a material

• The ability of a material to conduct electricity

What is the purpose of creating a triboelectric series?

• To rank materials by their color

• To list materials by their weight

• To rank materials by their electron affinity

• To list materials by their size

In the demonstration with tapes, what indicates that a tape is charged?

• It changes color

• It emits light

• It attracts paper bits

• It becomes heavier

What happens to the total charge in a system during a triboelectric process?

• It remains the same

• It decreases

• It increases

• It becomes zero

If material X becomes positive when rubbed with cotton, what can be inferred about its position in the triboelectric series?

• It is higher than cotton

• It is lower than cotton

• It is not in the series

• It is at the same level as cotton

What is the charge of a vinyl balloon after rubbing it with animal fur?

• Positive

• Negative

• Neutral

• It depends on the fur