KHAN ACADEMY - INTRO TO
ELECTRICAL ENGINEERING
QUESTION AND VERIFIED
ANSWERS|100% CORRECT|GRADE A+
Current - ANSWER A net movement of electric charge over a given path
Current (eq) - ANSWER q/s
q = Charge (+/-)
s = Seconds
Current is in the direction of the ______ Charge? - ANSWER Positive
Conventional Current Direction - ANSWER Current is the direction that a positive charge would move
Conductors - ANSWER Made of atoms whose outer or valence electrons have relatively weak bonds to
their nuclei
Insulators - ANSWER Made of atoms whose outer electrons are tightly bound to their nuclei
Semiconductors - ANSWER Materials that usually act like insulators but can act like conductors under
certain circumstances
Voltage - ANSWER Electrical potential energy of a charge
Power - ANSWER The rate of energy transfer over time
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