1) The armature is a) the loop of wires that the current move through b) the energy source 2) the brushes are a) do not move and conduct current to the rest of the commutator. b) semicircles pieces of metal 3) to increase the current, all of the following are true EXCEPT a) increase the number of coils b) increase the magnetic field c) use coils instead of straight wires d) use straight wire instead of coils 4) An electric motor is a) a device to measure small currents b) a device that use current to move an axle 5) Galvanometer is a) a device that measures small currents b) a device that use current to move an axle 6) AC stands for a) alternating current b) active current 7) DC stands for a) Direct current b) Domestic current 8) The applications of the electromagnetism include a) headphones b) Air trains c) Fans d) all of the above 9) the right hand rule 2 says a) the thumb points at the magnetic force b) the index points at the magnetic force 10) the process of generating an electric current from the motion of a conductor trough magnetic field is called a) electromagnetic friction b) electromagnetic conduction

electromagnetism

by
Print
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?