Multiple Choice
The magnetic field B inside a long ideal solenoid is independent of:
A) the current
B) the core material
C) the spacing of the windings
D) the cross-sectional area
E) the direction of the current
Correct Answer:

Verified
Correct Answer:
Verified
Q37: Two long ideal solenoids (with radii 20
Q39: The diagrams show three circuits consisting of
Q40: Helmholtz coils are commonly used in the
Q41: If the magnetic field <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3150/.jpg"
Q42: Which graph correctly gives the magnitude of
Q43: A solenoid is 3.0 cm long and
Q44: A long straight cylindrical shell has an
Q45: Two parallel wires carrying equal currents of
Q46: In Ampere's law, <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB3150/.jpg" alt="In Ampere's
Q47: Two parallel wires, 4 cm apart, carry