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Electric Circuits

Electric Circuits
Link in network theory refers to

  B - N + 1.
  N - 1.
  N - B - 1.
  B - N - 1.

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Electric Circuits
If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases?

 Z and I.
 VL and Z.
 VR and I.
 VL and VR.

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Electric Circuits
If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to

  Q2 / d.
  Q2 × d.
  Q × d.
  Q / d2.

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Electric Circuits
Consider the following circuit. What is the value of current I in the 5 Ω resistor in the circuit given in the figure?

 0 A.
 4 A.
 2 A.
 3 A.

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Electric Circuits
Which of the following are typical resistance and power-dissipation values for a carbon-composition resistor?

 10000 ohms, 10 W.
 10 ohm, 50 W.
 1000000 ohms, 1 W.
 5000 ohms, 100W.

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Electric Circuits
For balanced star load, if unbalanced line current are IR, IY, IB equal to - j10, - j10 and - j20 respectively, the neutral current will be equal to

  (-9.66 + j5) A.
  (-8.66 - j5) A.
  (8.66 + j5) A.
  (8.66 - j5) A.

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