Explain the relationships between current, voltage, resistance, and power;
Explain the relationship between moving charges and magnetic fields, as well as changing magnetic fields and electric fields, and their application to modern technologies; and
Explain electromagnetism by explaining electromagnetic waves in terms of oscillating electric and magnetic fields.
ampere
amplitude
compression wave
crest
current
electromagnetic waves
energy
frequency
longitudinal wave
mechanical wave
medium
ohm
period
pitch
sound wave
transverse wave
trough
volt
voltage
vacuum
watt
wave
wavelength
How are current, voltage, resistance and power related?
Why is it necessary to control current?
If current, voltage, resistance or power are not regulated, what could happen?
Is the magnetic pole in the northern hemisphere a north pole magnet?
Why is it not possible for two magnetic field lines to not cross?
How can an electromagnetic wave propagate through empty space?
here
here
here
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