Electric current — definition?
Flow of charge per unit time.
Charge conservation — principle?
Total charge remains constant in a closed system.
Series vs parallel — current?
Same in series; divides in parallel.
Electric current — definition?
Rate of flow of electric charge
Charge carriers — primary in conductors?
Electrons
Series circuit — current?
Same current through all components
Parallel circuit — current?
Splits; total equals sum of branches
Sources of emf — examples?
Cells, solar cells, generators
Electrical energy use — examples?
Lights, heaters, motors
Ohm's Law — formula?
V = IR
Answer 10 questions on Fundamentals of Electric Circuits.
1. What is electric current?
2. What fundamental principle states that the total charge entering a junction in an electrical circuit equals the total charge leaving it?
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