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Electric Circuits

Electric Circuits
Which of the following materials has highest electrical conductivity ?

  Silver.
  Aluminium.
  Steel.
  Copper.

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Electric Circuits
Voltage magnification will occur in which of the following case?

 Parallel resonance
None of these
 Series resonance
 Both

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Electric Circuits
The value of V in the circuit shown in the given figure is

  2 V.
 4 V.
  3 V.
 5 V.

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Electric Circuits
The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be

 800 Ω.
  40 Ω.
 400 Ω.
 4 Ω.

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Electric Circuits
Consider the following circuit. What is the value of i ?

  5 A.
 - 5 A.
 6 A.
 12 A.

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Electric Circuits
From the circuit diagram shown in question 1 find the maximum power transferred to the load.

 4.547 W.
 9 W.
 15.247 W.
 1.875 W.

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MORE MCQ ON Electric Circuits

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