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Electric Circuits

Electric Circuits
Which of the following is the correct relation?

 AD-BC = 1.
 all of these.
 AB-CD = 1 .
 AC-BD = 1.

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Electric Circuits
Three 3Ω resistors are connected to form a triangle. What is the resistance between any two of the corner?

  2 Ω.
 6 Ω.
 9 Ω.
 3 Ω.

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Electric Circuits
In foster 1 form 1st element is

 both.
 capacitor.
 none.
 inductor.

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Electric Circuits
KVL works on the principle of

 law of conservation of energy.
 both.
 law of conservation of charge.
None of these

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Electric Circuits
VRN, VYN and VBN are three phase voltage of a balanced three phase system. If VRN = 200∠30o V and VBN = 200∠- 90o V, then phase sequence of the system is

 BRY.
 RBY.
 YRB.
 RYB.

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Electric Circuits
The common voltage across parallel branches with different voltage sources can be determined by the relation V = (V1 / R1 + V2 / R2 + V3 / R3) / (1 / R1 + 1 / R2 +1 / R3 .....) The statement is associated with which theorem?

 Norton’s theorem.
 Superposition theorem.
 Millman’s theorem.
 Thevenin’s theorem.

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