Electro Magnets and Applications of Electromagnets
Electro Magnets and Applications of Electromagnets: Overview
This Topic covers sub-topics such as Magnetism in Medicines and Application of Electromagnet in Speakers
Important Questions on Electro Magnets and Applications of Electromagnets
How do electromagnets help a speaker to vibrate?
Where is an electromagnet in a speaker?
Which type of magnet is used in speakers?
Is a speaker an electromagnetic device?
What is the use of Electromagnet in Speakers?
The magnetic field used in MRI is about ____________ times stronger than that of the earth's magnetic field.
Magnetic field produced is most significant in which of the following two organs of human body?
What type of current is used to create an electromagnet?
Which of the following applications uses electromagnets to separate materials?
What is the advantage of using an electromagnet over a permanent magnet in industrial applications?
What is the relationship between the current and the strength of an electromagnet?
How does the core material affect the strength of an electromagnet?
What is the primary function of an electromagnet in a relay?
Which of the following factors affects the magnetic field of an electromagnet?
What happens to the strength of an electromagnet if the voltage is increased?
In which of the following applications are electromagnets used for medical purposes?
How does the number of coils affect the strength of an electromagnet?
Which of the following devices uses electromagnets to generate a magnetic field?
What is the function of an electromagnet in a junkyard crane?
What would happen if the current through an electromagnet is turned off?
