The practical illustration of the phenomenon of mutual induction is
Correct answer: D. transformer
- A. AC generator
- B. DC dynamo
- C. Motor
- D. transformer
Explanation
Mutual induction is a phenomenon where a change in current in one coil induces an electromotive force (EMF) in an adjacent coil. A transformer consists of two coils, primary and secondary, that are magnetically coupled. When the current in the primary coil changes, it induces a voltage in the secondary coil through mutual induction. Therefore, a transformer is a practical illustration of mutual induction.
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About Electromagnetism
Magnetic flux density and magnetic flux describe the strength of a magnetic field and the field passing through a surface. A charged particle moving through a magnetic field experiences a force perpendicular to its velocity and may follow circular or helical motion, depending on the angle between velocity and field.
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