APFIVE Solenoid Magnetic Field Strength
How is the magnetic field strength inside a long solenoid affected if the number of turns per unit length is doubled while the current is kept constant?
A
The magnetic field strength increases by a factor of $$\sqrt{2}$$
B
The magnetic field strength quadruples
C
The magnetic field strength doubles
D
The magnetic field strength remains unchanged
Question Leaderboard
Not enough data yet to show leaderboard.