Lesson T5.2.1
T5.2.1 Charge transfer by rubbing Quiz: KS3 Physics, Unit 5
20 questions
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Lesson T5.2.1, Charge transfer by rubbing: 20 multiple choice questions for the KS3 Physics (National Curriculum), Unit 5: Electricity and magnetism, written with Revision Ninja.
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The 20 questions
-
When two objects are rubbed together and become charged, which particles move from one object to the other?
- Atomic nuclei
- Electrons
- Protons
- Neutrons
-
What type of electrical charge does a proton carry?
- Negative
- Positive
- Neutral
- Variable
-
What type of electrical charge does an electron carry?
- Neutral
- Negative
- Positive
- Dynamic
-
What subatomic particle count makes an object electrically neutral?
- Zero electrons
- More electrons
- More protons
- Equal numbers
-
An object becomes negatively charged when it:
- Loses protons
- Gains electrons
- Loses electrons
- Gains protons
-
An object becomes positively charged when it:
- Loses electrons
- Loses neutrons
- Gains electrons
- Gains protons
-
Which action is used to produce static electricity on an insulating object?
- Rubbing
- Cooling
- Compressing
- Heating
-
Which pair of charged objects will attract each other?
- Neutral and neutral
- Positive and positive
- Negative and negative
- Positive and negative
-
What do like charges do to each other?
- Have no effect
- Attract
- Cancel out completely
- Repel
-
Why does a charged balloon stick to a neutral wall?
- Induces opposite charge
- Transfers all electrons
- Creates magnetic force
- Destroys air pressure
-
What happens to a glass rod when it becomes positively charged by rubbing with silk?
- Loses electrons
- Loses protons
- Gains electrons
- Gains protons
-
Two polythene rods pushed apart after being rubbed with cloth. What do their charges share?
- Zero value
- Infinite value
- Opposite type
- Same type
-
Why do hairs stand up and spread apart after a balloon is rubbed on them?
- Hairs repel
- Air cools down
- Gravity increases
- Hairs attract
-
What happens to the total amount of charge when objects are rubbed together?
- Increases
- Stays the same
- Decreases
- Becomes zero
-
Object A gains 1000 electrons and object B loses 1000 electrons. What is their total charge?
- Zero
- Negative
- Positive
- Maximum
-
Why does rubbing charge insulators but not metals held by hand?
- Hands absorb heat
- Insulators repel friction
- Metals cannot charge
- Charge flows away
-
A charged object touches an identical neutral metal sphere, and they repel. What happened?
- Neutrons transferred
- Charge shared
- Mass doubled
- Charge destroyed
-
Which particles does an atom's nucleus contain?
- Electrons and neutrons
- Electrons and protons
- Protons and neutrons
- Only electrons
-
What is the main reason a charged balloon left against a wall eventually falls off?
- Gravity suddenly increases
- Wall gets warmer
- Balloon gains mass
- Charge leaks away
-
Which object is most likely to keep static charge for a long time after rubbing?
- A plastic ruler
- An aluminium can
- A steel spoon
- A copper wire
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