It's Electrifying
The transfer of electric charge by direct contact between objects.
What is conduction?
A material that current to flow through it with no resistance.
What is a superconductor?
A device that uses a narrow strip of metal in a protective, insulated case to limit current through a circuit.
What is a fuse?
The imaginary line that circles Earth halfway between the two magnetic poles.
What is the magnetic equator.
Simple device that converts electricity to back and forth motion.
What is a solenoid?
An electric field with even strength throughout.
What is a uniform field?
The general term for a device that transforms the energy o an electric current into another useful form of energy.
What is a load?
Produces a strong magnetic field when electricity passes through it.
What is an electromagnet?
Device that consists of one or more electrochemical cells connected in series to produce a single source of current.
What is a battery?
The line connecting all points where a compass needle points true north.
What is an agonic line?
The SI unit of electric charge.
What is the coulomb?
An electrical device designed to add resistance to a circuit.
What is a resistor?
Substances that can be easily magnetized.
What is a magnetically soft substance?
A device that converts pulses of electricity into sound waves?
What is a loudspeaker?
The electrostatic method of reproducing images on paper.
What is xerography?
The rate of charge flow.
What is a (current).
Imaginary lines that indicate the direction and strength of a magnetic field.
What are lines of flux?
An early developed to store electric charge.
What is a Leyden jar?
A communication device that uses electromagnetic charges to reproduce messages by means of audible clicks.
What is the telegraph?
An electrical switch operated by an electromagnet.
What is a relay?
The SI unit of resistance.
What is the ohm?
The method of magnetism in which an object is permanently magnetized by stroking a magnet against the object.
What is magnetism by contact?
Built the first electrostatic generator.
Who is Otto von Guericke?
A semiconductor device that produces light when a direct current is applied.
What is a light-emitting diode?
Increases or decreases the voltage of an alternating current using electromagnetic induction.
What is a transformer?