electromagnets can be strengthened by____.?
A. having an aluminum core in coil
B. having more coils around the core
C. increasing the current in the coils
D. all of the above
E. (B and C)
A. having an aluminum core in coil
B. having more coils around the core
C. increasing the current in the coils
D. all of the above
E. (B and C)
RAM
B&C are correct-(option E)
Having aluminium coil weakens the magnetic strength.
Instead you can use a soft iron core to increase magnetic strength
Lee26Caloo秦君子蘭
B
Mr.Painter
E