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Electric Circuits

Electric Circuits
Active filter consists of

 inductor.
 capacitor.
 op-amp and capacitor.
 op-amp.

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Electric Circuits
Two equal resistors R connected in series across a voltage source V dissipate power P. What would be the power dissipated in the same resistors when they are connected in parallel across the same voltage source?

  P.
 4P.
 16P.
 2P.

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Electric Circuits
What is the relation between time period T and frequency?

 T = 1 / frequency.
 T = 0.85 / frequency.
 T = 0.5 / frequency.
 T = frequency.

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Electric Circuits
Zinc cadmium and lead coating is generally provided for

  corrosion.
  decoration.
  electrical contacts.
  all of above.

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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?

 6 Ω.
 3 Ω.
  2 Ω.
 9 Ω.

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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 increase if frequency of voltage source increases?

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

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MORE MCQ ON Electric Circuits

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