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Electric circuits miscellaneous

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Electric circuits miscellaneous
  1. In the circuit shown in the given figure, G12 =
    V2
    		 = ?
    V1


    1. y21
      (y22 + YL)
    2. - y21
      (y22 + YL)
    3. y12
      (y22 + YL)
    4. - y13
      (y22 + YL)
Correct Option: B

I2 = y21V1 + y22V2
I2 = – V2 YL
y21V1 + (y22 + YL )V2 = 0

∴
V2
 =
-y21
V1(y22 + yL)


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