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Electric Circuits

Electric Circuits
Discrete values represent which type of signal

 Discretal
 Decimal
 Digital
 Analog

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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?

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

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Electric Circuits
Which of the following is not a bilateral element?

 Inductor.
 Diode.
 Resistor.
 Capacitor.

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

 40 V.
 400 V.
 20 V.
 200 V.

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Electric Circuits
Super position theorem is not applicable for

 voltage calculations.
None of these
 power calculations.
 current calculations.

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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

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

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