10 Questions
What is the relationship between like magnetic poles?
They repel each other
What is the effect of an electric current flowing through a wire on the magnetic field?
It produces a magnetic field
What materials are considered ferromagnetic materials?
Iron, nickel, and cobalt
What are magnetic domains?
Groups of aligned magnetic atoms responsible for a material's magnetism
How are electric and magnetic fields related to each other?
They are perpendicular to each other
What is the principle behind the operation of a solenoid with an iron core?
Alignment of magnetic domains
What type of device is a motor?
Device that converts electrical energy into mechanical energy
In which device does a coil cut through magnetic fields and cause a current, as per Faraday's law?
Generator
What is the fundamental principle behind the operation of generators?
Faraday’s law of electromagnetic induction
What distinguishes a step-up transformer from other transformers?
The windings of the secondary coil are more than the primary coil
Test your knowledge of magnetic poles, the law of poles, and magnetic fields in this quiz. Learn about the regions of concentrated magnetic strength, the behavior of like and unlike magnetic poles, and the magnetic force field surrounding magnets and electric charges.
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