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Explain the phenomenon of static electricity in everyday life.
Explain the phenomenon of static electricity in everyday life.
Static electricity is the build-up of electric charge on the surface of objects. It can cause objects to stick together or produce a spark.
Describe charges and their properties.
Describe charges and their properties.
Charges are positive or negative and they repel like charges and attract opposite charges. They can be transferred from one object to another.
Describe the flow of electric current in an electric circuit.
Describe the flow of electric current in an electric circuit.
Electric current is the flow of electric charge. It flows from the positive terminal to the negative terminal of a power source.
Explain that electric current is measured in amperes (A) and represented as 'I' in the electrical equation.
Explain that electric current is measured in amperes (A) and represented as 'I' in the electrical equation.
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What is the electrical potential difference between two points in a circuit called?
What is the electrical potential difference between two points in a circuit called?
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What unit is used to measure electric current?
What unit is used to measure electric current?
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Explain the phenomenon of static electricity in everyday life.
Explain the phenomenon of static electricity in everyday life.
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Describe the flow of electric current in an electric circuit.
Describe the flow of electric current in an electric circuit.
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Study Notes
Static Electricity in Everyday Life
- Static electricity is a common phenomenon that occurs when there is an imbalance of electric charges between objects or surfaces, often due to friction or contact between them.
Electric Charges and Their Properties
- Electric charges are of two types: positive and negative, and like charges repel each other, while opposite charges attract each other.
- Charge is a fundamental property of matter, and it is measured in coulombs (C).
Electric Current in Electric Circuits
- Electric current is the flow of electric charge, typically in the form of electrons, through a conductor, such as a wire.
- In an electric circuit, electric current flows from the positive terminal of a battery, through the circuit, and back to the negative terminal.
- Electric current is measured in amperes (A) and is represented by the symbol 'I' in the electrical equation.
Electrical Potential Difference
- The electrical potential difference between two points in a circuit is called voltage, and it is measured in volts (V).
Measuring Electric Current
- The unit used to measure electric current is the ampere (A).
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Description
This 10-marks written test for grade 5 covers the phenomenon of static electricity in daily life, properties of charges, flow of electric current in circuits, measurement of electric current in amperes, and the definition of voltage as potential difference. The test is designed to align with The City School exams paper pattern.
