The electrically charged particles that produce electric currents and therefore magnetic fields when they move inside Uranus and Neptune are:
A) electrons flowing through metallic iron in the planet's cores.
B) molecules such as ammonia (NH₃), which become ionized when in solution in water.
C) liquid metallic hydrogen under immense pressure.
D) electrically conducting iron atoms in the molten cores.

Question

Quizplus · Accepted Answer

Uranus and Neptune have magnetic fields generated by ionized molecules like ammonia in water, not by metallic hydrogen or iron.

The Electrically Charged Particles That Produce Electric Currents and Therefore