Electromagnets Flashcards
1
Q
What can produce a magnetic field?
A
electric current and magnets
2
Q
What is the relationship between electricity and magnetism?
A
electromagnetism
3
Q
What is a coil of wire with a currrent?
A
solenoid
4
Q
What is a solenoid with an iron core?
A
electromagnet
5
Q
How can you increase the strength of an electromagnet?
A
increase the current, add more loops of wire, wind the coils closer together, or use a stronger iron core
6
Q
What is a device that transforms electrical energy into mechanical energy?
A
electric motor
7
Q
What is a device that transforms mechanical energy into electrical energy?
A
electric generator
