Electricity & Magnetism Flashcards
What is it called when a circuit that connects several objects one after another so that the current flows in a single path
A series circuit
What is it called when a curcuit connects several objects in a way that the current for each object has its own path
A parrallel circuit
What is resistance
The amount a material opposes the flow of electricity and changes electric current into heat energy
What is a conductor
A material through which electric current passes easily
What is an insulator
A material through which electric current does NOT pass
Name a conductor
Wire,anything metal
Name an insulator
Rubber, plastic, cork, etc
What is a magnet
Anything that will attract or pull iron, steel and other metals to it
What is a magnetic field
The space around a magnet where magnetism acts
What is magnetism
The force around a magnet
What is a pole
A place on a magnet where magnetism is strongest
What is a compass
A small magnet that can turn freely
What happens when opposite poles of a magnet are placed side by side? North and South or South and North
They attract
What happens when like poles if a magnet are place sides by side? north and north or south and south
They repel
What is a generator
A machine that uses an energy source and a magnet to make electricity