Static Electricity: Understanding Electrical Charge and Interactions

What is the primary difference between current electricity and static electricity?

• Current electricity moves, static electricity does not
• Current electricity only works with metals
• Static electricity is always positive
• Current electricity is older

How do materials become electrically charged through friction?

• By adding protons
• By transferring electrons between surfaces
• By heating the materials
• By applying magnetic force

Why are materials naturally electrically neutral before friction?

• They have equal protons and electrons
• They have no electrons
• They are always positively charged
• They cannot conduct electricity

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What happens when two identically charged rulers are brought close together?

• They attract each other
• They remain stationary
• They repel each other
• They merge together

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What fundamental principle describes electrical charge interactions?

• Like charges attract
• Like charges repel
• Only metals conduct electricity
• Electrons cannot move

Why might you see a spark when removing certain types of clothing?

• Static electricity causing electron transfer
• The fabric is too warm
• The clothing is made of metal
• The room is too dry

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How can a charged balloon stick to a wall?

• By magnetic attraction
• By inducing a charge separation
• By heating the wall
• By chemical bonding

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What potential danger exists with static electricity in fuel transfer?

• Electrical short circuits
• Potential explosion from sparks
• Corrosion of pipes
• Reduced fuel efficiency

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In the context of static electricity, what does 'earthing' help prevent?

• Electrical resistance
• Charge buildup
• Electron movement
• Metal corrosion

What historical context is mentioned about static electricity?

• Discovered in modern times
• Documented over 2,000 years ago in Greece
• Invented by Benjamin Franklin
• First observed in the 19th century