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Handwritten Notes: Electricity & Magnetism | Physics for GCSE/IGCSE - Year 11 PDF Download

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FAQs on Handwritten Notes: Electricity & Magnetism - Physics for GCSE/IGCSE - Year 11

1. What is the relationship between electricity and magnetism?
Ans. Electricity and magnetism are closely related as they are two aspects of the same fundamental force known as electromagnetism. When an electric current flows through a conductor, it generates a magnetic field around it.
2. How does an electromagnet work?
Ans. An electromagnet is created by wrapping a coil of wire around a magnetic core and passing an electric current through the wire. This current generates a magnetic field, turning the core into a magnet that can attract or repel other magnets.
3. What is the difference between AC and DC electricity?
Ans. AC (alternating current) electricity changes direction periodically, while DC (direct current) electricity flows in only one direction. AC is commonly used in homes and businesses, while DC is often used in electronics and batteries.
4. How does a generator produce electricity?
Ans. A generator produces electricity by rotating a coil of wire within a magnetic field. This motion induces an electric current in the wire, generating electricity that can be used to power appliances and devices.
5. What are some common applications of electromagnetism in everyday life?
Ans. Electromagnetism is used in various everyday applications, such as electric motors, transformers, MRI machines, and speakers. It plays a crucial role in modern technology and industries.
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