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Transcript
Magnetism and Electricity Test
Subjects:
Magnetism
Poles, magnetic field lines, attraction, repulsion, geographic poles, magnetic poles,
magnetic domains, electromagnet, magnetic force and distance, “soft” iron,
Static Electricity
Induction, conduction, friction, positive and negative charges, strength of electric field,
electric field lines, pith balls,
Current Electricity
Ohms law, direct current, alternating current, parallel circuit, series circuit, schematic
diagrams, conducting materials, insulating materials, electrical potential, wet cell battery, dry cell
battery, open circuit, closed circuit, ampere, volt, ohm, watt, power, electric motor, electric generator,
electromagnetic induction, transformer, step-up transformer, step-down transformer, wind turbine,
solar energy, sources of energy used to produce electricity, kilowatt, kilowatt hours, resistance, voltage
Formulas:
R=V/I
Pages in Holt:
p. 530 – 552
p. 564 - 582
P=I*V
R = V2 / P