WorksheetsP4.05 Electricity into magnetism
Total questions: 13
Worksheet time: 3hrs 15mins
Which is TRUE about metals?
Metals conduct electricity
Metals are insulators
An object that attracts iron and some other metals is called a
Magnet
Circuit
A magnet is
An object that attracts iron and some other metals
Is exclusively made of insulators
The labels N and S indicate what on a magnet?
Magnetic poles
The parts that don't work
Where is the magnetic force the strongest on a magnet?
At the magnetic poles
In the middle
The area around a magnet where the magnetic force acts is a
magnetic field
magnetic mountain
A magnetic field
is the area around a magnet where its magnetic force acts
runs parallel to an electric current
Electric current that flows in only one direction is
alternating current
direct current
Direct current
flows only in one direction
repeatedly reverses its direction of flow
An electric current that repeatedly reverses its direction of flow is
alternating current
direct current
Alternating current
flows only in one direction
repeatedly reverses its direction of flow
Who invented alternating current?
Scientist Nikola Tesla
Businessman Thomas Edison
Who bought the Canadian patent for the electric incandescent light bulb, invented direct current, and cheated Tesla out of $50K?
Thomas Edison
Ben Franklin
