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    Kirchhoff's laws

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    In the circuit shown in the attached figure E1=28V, R2=6ohm, R3=3ohm, I2=4A, and I3=6A (direction of I2 and I3 are shown)

    1.)What is the magnitude and direction of the current I1

    2.)What is the value of the resistor R1.

    3.)What is E2.

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    https://brainmass.com/physics/current-law/kirchhoffs-current-laws-218197

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    Please refer to the attachment.

    E1 = 28V I1 R1
    + - - +

    E2 I2=4A R2 = 6 ohm
    A + - - + B

    ...

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