ELECTROMAGNETISM Flashcards
importance of electricity
supplied to the xray imaging
basic property of matter
electric charge
like charges?
repel
unlike charges ?
attract
coulomb named after?
charles agustine coulomb
directly proportional
coulomb’s law
Fe:
electric for
k:
coulomb constant
r:
distance between charges
force acts at a distance
electrostatic force
radially outward:
positive charge
radially inward:
negative charge
methods of charging: rub against each other
friction
methods of charging:already in contact
conduction
methods of charging:brought near but not touched
induction
electric states of matter: used in machines for nuclear manetic resonance
superconductor
electric states of matter:does not conduct electrical current
insulator
electromotive force:
voltage
volt was named after?
alessandro volta
ampere named after?
andre marie ampere
opposition to the flow of electric current
electric resistance
amount of energy thru a metal conductor
ohm’s law
measure of energy per unit time
electric power
amount of electrical energy transferred
electric energy