WorksheetsELECTROMAGNETISM
Total questions: 10
Worksheet time: 5mins
Which of the following is not a good conductor?
Copper
Silver
Aluminium
Plastic
Particles with opposite charges ____________ and particles with same (or like) charges ____________.
attract, repel
repel, repel
attract, attract
repel, attract
A current is produced when _______________ flow in a circuit.
protons
neutrons
electrons
nucleons
The area of magnetic force around a magnet is known as its ____________.
magnetism
magnetic current
magnetic field
electric current
How do you increase the strength of an electromagnet?
Add a motor and/or light bulbs
Add more light bulbs and wire coils
Add more wire coils
Increase the voltage
What three minerals are attracted to a magnet?
Gold, copper, cobalt
Cobalt, aluminum, silver
Iron, copper, aluminum
Iron, nickel, cobalt
If a person accidentally cut a circuit, what would the circuit be called?
closed circuit
open circuit
series circuit
parallel circuit
