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BJU PhysicalWorld 18 Word Scramble

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Question	Answer
alternating current (AC)	An electric current that regularly changes the direction of its flow.
Armature	The rotating electromagnet in an electric motor.
Curie temperature	The temperature at which a permanent magnet loses its magnetic field.
direct current (DC)	An electric current that flows in only one direction.
Domains	Microscopic regions of materials that may be lined up to produce a magnetic field of force.
electric field	The strengths and directions of the electric force at every point around the electrode are collectively called this.

ferromagnetic	Strongly attracted to magnets.
Generators	A device that uses magnetic fields to convert mechanical energy into electrical energy.
geographic north pole	Point at the “top of the world” where the axis of the Earth spins.
hertz (Hz)	The unit of frequency’ one cycle per second.
lines of forces	Show the direction the electrical force will move a positive charge.
magnetic fields	Fields that show the strength and direction of magnetic forces.
paramagnetic	slightly attracted to magnets.
Relays	A switch used to turn solenoids on or off.
Solenoids	Coiled wires use to form a magnet.
step-down transformer	A series of coils that uses induction to produce a lower voltage.
step-up transformer	A series of coils that uses induction to produce a higher voltage.
super conducting magnets	A magnet made from special materials and kept at extremely low temperatures.