DC Review Part I-2020

Front

Like charges repel is the basic law of:

Back

magnetism

Front

Atoms have subatomic particles which are:

Back

Proton, electrons, and neutrons

Front

Atoms must contain two subatomic particles.

Back

True

Front

Tribology is the science of rubbing surfaces to cause static.

Back

Triboelectric effect

Front

_______ has unit of negative charge

Back

Electron

Front

A basic principle of electromagnetism: the magnetic field is ______________ to the current that created it.

Back

perpendicular

Front

Saturation is the condition where all the material has been completely magnetized. The domain theory says saturation occurs when all the _____________ are lined up in the same direction.

Back

domains

Front

Lines of force which occupy the space in and around the magnet is called

Back

Magnetic flux

Front

Potential refers to stored energy while kinetic is energy in motion

Back

True

Front

A material that can be magnetized is _________________.

Back

Ferromagnetic