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College: Ch.8

Electricity & Magnetism : Vocabulary

Positively charged particles Protons
Angle between true north and magnetic north Magnetic Declination
IV Electric Power
Unlike charges attract; like charges repel Law of Charges
Interaction of electrical and magnetic effects Electromagnetism
A fundamental quantity Electric Charge
Steps voltages up and down Transformer
Relates voltage and current to resistance Ohm's Law
Converts electrical energy into mechanical energy Motor
Negatively charged particals Electrons
Imaginary lines indicating magnetic direction Magnetic Field
Describes the force between charged particales Coulomb's Law
Highly magnetic material Ferromagnetic
Produced by a constantly changing voltage Alternating Current (ac)
Time rate of flow of electric charge Current
Unlike poles attract; like poles repel Law of Poles
Equals W/q Voltage
Same current through all resistances Series Circuit
Opposition to charge flow Resistance
Local regions of alignment Magnetic Domains
Net electron flow in one direction Direct Current (dc)
Converts mechanical energy into electrical energy Generator
Results from separating electrical charges Electric potential energy
Voltage across each resistance is the same Parallel Circuit
E = F/q+ mapping Electric field
Created by: tamica_s