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Uses of Electromagnet
The SPM Physics Workbook is developed under the One-School.net Free Books Project. The content of this book is strictly follow Malaysia SPM (Sijil Pelajaran Malaysia) syllabus. The aim of this project is to provide a complete electronic supplementary network for students to develop self-learning skills by breaking the spoon-feed rituals and to encourage them to compile educational information from the Internet.
Choose the best answer.
1. Which of the following is not one of the uses of an electromagnet?
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2. Which of the following is TRUE regarding an electric bell?
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3. Which of the design in the figure produces the strongest magnetic field if the current are equals in all cases? (The arrow shows the direction of the current.)
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4. A direct current passes through a conductor will produce
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5. The figure shows a lifting magnet. A lifting magnet is
A permanent magnet
An electromagnet
A combination of a permanent magnet and an electromagnet.
Magnetic Field
A magnetic field is a region in the surrounding of a magnet which a magnetic material experiences a detectable force.
A magnetic field is a region in the surrounding of a magnet which a magnetic material experiences a detectable force.
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