Electromagnetic Spectrum (HSC SSCE Physics): Flashcards

Electric charges move or accelerate

$F = k_e \frac{|q_1 q_2|}{r^2}$

$k_e = \frac{1}{4\pi\varepsilon_0}$

Changing magnetic field

Changing electric field

Perpendicular to each other

No medium required

Speed of light ($c \approx 3.0 \times 10^8$ m/s)

$F = qvB\sin\theta$

$F = Eq$