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    Kirchhoffs Laws WS

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    Mr Bacon
    This document introduces Kirchhoff's laws and uses circuit diagrams to demonstrate how to apply the laws to calculate unknown currents. Kirchhoff's first law states that the sum of currents entering a point equals the sum leaving. The second law states that the sum of voltages around any closed loop is zero. The document provides examples of circuits with batteries, resistors, and currents labeled for calculation using Kirchhoff's laws.

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    Download as PDF, TXT or read online from Scribd

    Kirchhoffs Laws WS

    Uploaded by

    Mr Bacon
    37 views1 page
    This document introduces Kirchhoff's laws and uses circuit diagrams to demonstrate how to apply the laws to calculate unknown currents. Kirchhoff's first law states that the sum of currents entering a point equals the sum leaving. The second law states that the sum of voltages around any closed loop is zero. The document provides examples of circuits with batteries, resistors, and currents labeled for calculation using Kirchhoff's laws.

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    Kirchhoffs-Laws-WS

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    This document introduces Kirchhoff's laws and uses circuit diagrams to demonstrate how to apply the laws to calculate unknown currents. Kirchhoff's first law states that the sum of currents entering a point equals the sum leaving. The second law states that the sum of voltages around any closed loop is zero. The document provides examples of circuits with batteries, resistors, and currents labeled for calculation using Kirchhoff's laws.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    37 views1 page

    Kirchhoffs Laws WS

    Uploaded by

    Mr Bacon
    This document introduces Kirchhoff's laws and uses circuit diagrams to demonstrate how to apply the laws to calculate unknown currents. Kirchhoff's first law states that the sum of currents entering a point equals the sum leaving. The second law states that the sum of voltages around any closed loop is zero. The document provides examples of circuits with batteries, resistors, and currents labeled for calculation using Kirchhoff's laws.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 1

    Kirchhoff’s Laws – Example Circuits

    Kirchhoff’s 1st Law: The sum of the currents entering any point in a circuit is equal to the sum of the
    currents leaving that point (a consequence of the conservation of charge)

    Kirchhoff’s 2nd Law: In any closed loop in a circuit, the sum of the emf in the loop is equal to the sum
    of potential difference around that loop (a consequence of the conservation of energy)

    Use Kirchhoff’s Laws to calculate the currents flowing where indicated:

    REMEMBER: To calculate
    potential difference,
    1. 6V 2. 6V multiply resistance by
    current (V = I × R)

    3 2 3 2
    4V

    I I

    6V
    3. 4.
    6V

    3 I1

    I2
    3 2
    4V

    I3 2
    I 4V

    6V 6.
    5. 6V

    3 I1 3 I1

    2 I2 2 I2
    ADVICE: If you end
    up with a negative
    current – that is ok!
    I3 I3 It just means the
    4V 4V current is flowing in
    the opposite
    direction to the
    arrow drawn
    © FradleyPhysics 2016

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