Magnetic Field

Front

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

Back

−6.25×10⁻¹³ N

Front

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)?

Back

B = 0.18 T

Front

A compass needle acts as a ___________.

Back

Magnet

Front

Magnetic poles: unlike poles __________, alike poles __________.

Back

attract; repel

Front

Magnetic field:

Back

Area of magnetic force around a magnet.

Front

SI unit of magnetic field

Back

tesla

Front

Strongest part of a magnet?

Back

The poles.

Front

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

Back

Correct answer: levitate.

Front

Magnetic field lines direction:

Back

Correct: They point from north to south.

Front

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

Back

Uniform magnetic field directed out of your screen at you.