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Electric Circuits

Electric Circuits
In a delta network each element has value R. The value of each element in equivalent star network will be

  R / 3.
 R / 4.
 R / 6.
 R / 2.

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Electric Circuits
According to duality principle a series inductor (L) can be represented as

 Parallel C.
 Series L.
 Series C.
 Parallel L.

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Electric Circuits
If L and C both are doubled than damping in above circuit will be

 remains same.
None of these
 doubled as compared to previous one.
 halved as compared to previous one.

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Electric Circuits
In question no.3, which of the following is true ?

 i(0+)= iL(0+).
 iL(0) = ic (0).
 ic (0+) = i(0+).
 None of these.

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Electric Circuits
In series RLC circuit, voltage across resistor, inductor and capacitor are 5V, 2V and 2V respectively. Find total voltage?

 9V
 5V
 4V
 2V

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Electric Circuits
The plates of lead acid storage battery are most likely to be short circuited if

 the battery charged too slowly.
 the electrolyte evaporates.
 sediment collect at the bottom of the battery.
 too much water is added.

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MORE MCQ ON Electric Circuits

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