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What is Kirchhoff's loop rule ?...

What is Kirchhoff's loop rule ?

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Knowledge Check

  • For a the current loops shown in the figu re, kirchhoff's loop rule for the loops AHDCBA and AHDEFGA yields these equations respectively.

    A
    `-30I_(1)-41I_(3)+45=0` and ` -30I_(1)+21I_(2)-80=0`
    B
    `30I_(1)-41I_(3)+45=0` and ` 30I_(1)-21I_(2)-80=0`
    C
    `30I_(1)+41I_(3)-45=0` and `-30I_(1)+21I_(2)+80=0`
    D
    `-30I_(1)-41I_(3)-45=0` and `-30I_(1)+21I_(2)-80=0`

  • For circuit given the kirchoff's loop rule for loop BCDEB is given by equation

    A
    `-i_2 R_2 + E_2 -E_3 + i_3 R_1 = 0`
    B
    `i_2 R_2 + E_2 -E_3 - i_3 R_1 = 0`
    C
    `i_2 R_2 + E_2 + E_3 + i_3 R_1 = 0`
    D
    `-i_2 R_2 + E_2 -E_3 + i_3 R_1 = 0`

  • Assertion (A): Kirchhoff's junction law follows conservation of charge. Reason (R): Kirchhoff's loop law follows conservation of energy.

    A
    Both (A) and (R) are true and (R) is the correct explanation of (A).
    B
    Both (A) and (R) are true but (R) is not the correct explanation of (A).
    C
    (A) is true but (R) is false.
    D
    (A) is false and (R) is also false.

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    Consider the following statements: Statement (I) : Kirchoff's juction law is consequence of conservation of energy Statement (II) : Kirchhoff's loop law is consequence of conservation of charge . Which of the following is correct ?

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