Static Electricity Question Preview (ID: 45386)


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Sometimes when you go to touch your car door handle it shocks you. What is this an example of?
a) Static cling
b) Induced charge separation
c) Lightning
d) Electric discharge

What happens to the leaves on a metal leaf electroscope when you bring a charged ebonite rod towards the ball on the top?
a) They repel and spread apart
b) They attract and stick together
c) Nothing, because you didn't actually touch the ball on the top
d) Nothing, because metal leaf electroscopes have nothing to do with electric charges

What type of instrument do we use to detect the presence of an electric charge?
a) Electroscope
b) Electrostatic precipitator
c) Feather duster
d) Electrostatic lifting apparatus

What do we call it when a neutral object becomes charged due to contact with a charged object?
a) Charging by induction
b) Charging by cuddles
c) Charging by conduction
d) Charging by friction

What happens when you bring a charged ebonite rod towards the ball on a pith ball electroscope?
a) The ball will be repelled from the rod
b) The ball will be attracted to the rod
c) The ball and rod will neither attract nor repel
d) The ball will immediately start to do loopdey-loops

Which way do electrons flow when a positively charged object is connected to a grounding wire?
a) from the ground into the object
b) from the object into the ground
c) from the lightning cloud into the ground
d) they disperse evenly into the air around the object

What is the overall charge on an object that has 7 electrons and 9 protons?
a) -1
b) -2
c) +1
d) +2

What is it called when you connect an object to a large body, like the earth, which is capable of effectively removing an electric charge that the object might have?
a) electric discharge
b) lightning
c) induced charge separation
d) grounding

If you bring two objects near each other and they repel, what can you assume about the charge on both objects?
a) They have opposite charges
b) They have the same charge
c) Neither object is charged
d) One object is not charged, and the other one has a negative charge

What is the name for the type of object that sort of lets electrons flow through, but not that well?
a) Conductor
b) Insulator
c) Semi-conductor
d) Part-conductor

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