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Questions and Answers
What is the nucleus in an atom?
What is the nucleus in an atom?
- The outermost orbit of an atom
- A region where electrons flow freely
- The innermost portion of an atom (correct)
- The area where protons and neutrons are located
What is static electricity?
What is static electricity?
- A balanced electric charge within a material
- The imbalance of electric charges within or on the surface of a material (correct)
- Electricity that flows continuously
- Electricity that can only be seen in winter
What type of electricity is used in houses, office buildings, and electric cars?
What type of electricity is used in houses, office buildings, and electric cars?
- Alternating current (AC) (correct)
- Direct current (DC)
- Static electricity
- Dynamic electricity
Which material is a good conductor of electricity?
Which material is a good conductor of electricity?
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Study Notes
Atomic Structure
- The nucleus is the central part of an atom, made up of protons and neutrons.
Types of Electricity
- Static electricity is a stationary electric charge that builds up on an object, causing it to attract or repel other objects.
Household and Industrial Electricity
- Alternating Current (AC) is the type of electricity used in houses, office buildings, and electric cars.
Conductors of Electricity
- Copper is a good conductor of electricity, meaning it allows electric currents to flow through it with minimal resistance.
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