Magnetic Field

Force on electrons in a 6.5×10⁻¹ T magnetic field at 6.0×10⁶ m/s:

A wire with 9.0 A current in a magnetic field (75 cm length) experiences a force of 1.2 N. What is the magnetic field strength (B)?

A compass needle acts as a ___________.

Magnetic poles: unlike poles __________, alike poles __________.

Magnetic field:

SI unit of magnetic field

Strongest part of a magnet?

Modern magnets enable high-speed trains to levitate above tracks, eliminating friction.

Magnetic field lines direction:

⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙ ⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙ ⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙⊙