with this one i'm confused i'm not sure if it's b or d
The current in a solenoid is changed from 1.1 A to 4.4 A. By what factor does the magnitude of the magnetic field inside the solenoid increase?
2
4
0.5
0.25
1.1/4.4= 0.25
0r
4.4/1.1= 4
0 answers