The magnetic field inside a long ideal solenoid is independent of:
A)the current
B)the number of turns of wire
C)the spacing of the windings
D)the cross-sectional area
E)the direction of the current

Question

Quizplus · Accepted Answer

The magnetic field inside a long ideal solenoid is determined by the current and the number of turns per unit length, and is independent of the cross-sectional area.

The Magnetic Field Inside a Long Ideal Solenoid Is Independent