FEEE_Module 1_ DC Circuits

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    What defines an electrical network?

    Interconnection of two or more circuit elements.

    What is an electric circuit?

    Contains at least one closed path.

    What is charge measured in?

    Coulombs (C).

    How is voltage defined?

    Energy required to move charge between two points.

    What is the unit of electric current?

    Ampere (A).

    How does direct current (DC) differ from alternating current (AC)?

    DC has constant magnitude; AC changes over time.

    What does power measure in an electrical context?

    Rate of supplying or receiving energy.

    What is the formula for power in terms of voltage and current?

    P = VI.

    What is energy measured in?

    Joules (J).

    What happens if a charge of 80 coulombs passes a point in 20 seconds?

    Current can be calculated as 4 A.