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Basic Electronics 4

Basic Electronics 4. Current in Series Circuits. In a series circuit, the current in every component is exactly the same as in every other component. Voltage in Series Circuits. There is a voltage drop across each element in a series circuit. (Loss)

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Basic Electronics 4

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  1. Basic Electronics 4

  2. Current in Series Circuits In a series circuit, the current in every component is exactly the same as in every other component.

  3. Voltage in Series Circuits • There is a voltage drop across each element in a series circuit. (Loss) • Mechanical or chemical (generator or battery) energy is converted into electric energy EMF. • Sum of individual voltage drops is always numerically equal to the EMF.

  4. Kirchhoff’s Voltage Law • The algebraic sum of the emfs and voltage drops must be equal. • EMF is a voltage rise so we assign a “+” sign to all emfs. • Voltage drops are assigned “-” signs

  5. Kirchhoff’s Current Law • The current approaching a given electrical junction in a circuit loop equals the current leaving this junction. • If not so, junctions would either be maggoty with electrons or else they would dry up, ‘nar electrons and be unable to support the current.

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