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Electric Circuits

Electric Circuits
Condition of symmetry in ABCD parameter representation is

 C = D.
 AD - BC = 1.
 A = D.
 B = D.

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Electric Circuits
The value of supply voltage for 400 W, 4 Ω load is

 200 V.
 400 V.
 20 V.
 40 V.

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Electric Circuits
Absolute permittivity of dielectric medium is represented as

 εrε0
 εr/ε0
 εr
 ε0

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Electric Circuits
A two port network is defined by the relation The value of Z12 is

 3.
 2/31.
 -3.
 3/41.

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Electric Circuits
A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star?

 30∠30o Ω.
 27∠30o Ω
 3∠30o Ω.
None of these

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Electric Circuits
There is a ________ between two nodes of signal flow graph

 link
 tree
None of these
 branch

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