Field Trip
What will happen when you bring two magnets close together, with opposite poles?
Attraction
Force of Attraction
Hans Christian Oersted is a professor from what university?
University of Copenhagen
There are two types of electric charges: positive and negative.
Like charges _________.
Repel
It is a device used to convert electricity into mechanical energy.
Electric Motor
Motor
Steady part fo the motor is ______.
Stator
Metal is a good conductor of electricity because it has _________.
(Give one)
Magnetism is induced in a material by:
Stroking
Within the magnetic field of the magnet
Electrical conduction
Rotating part of the motor is ________.
Rotor
Armature
True or False:
A permanent magnet is at rest inside a conducting loop, which is also at rest, will produce current.
False
Whether a material is magnetic or not depends on the materialβs atoms. In material such as iron, nickel, and cobalt, groups of atoms are in tiny areas called _______.
Magnetic domains
Domains
A change in electric field will then cause a change in ________.
Magnetic field.
It is a coil of wire that produces a magnetic field when carrying an electric current.
Solenoid
Electromagnet
It refers to the process by which a material becomes magnetized when it is brought into a magnetic field.
Induced magnetism
He conducted his famous induction ring experiment showing that current can be produced by sources of changing magnetic fields.
Michael Faraday
In left and right-hand rule, the middle finger represents the direction of the __________.
Current
_____________ is a fundamental force of nature that manifests itself through the attraction or repulsion between objects with magnetic properties.
Magnetism