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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 / 4.
 R / 6.
  R / 3.
 R / 2.

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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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Electric Circuits
A dependent source can be

 neither a voltage nor a current source.
 a voltage source.
 both a voltage or a current source.
 a current source.

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Electric Circuits
Under resonance condition the phase angle between voltage phase and current phase is

 45°
 0°
 - 90°
 90°

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Electric Circuits
The value of unity impulse function at time (t) = 0 is

 1.
 indeterminate.
 0.
 infinite.

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Electric Circuits
If all the elements in a particular network are linear, then the superposition theorem would hold, when the excitation is

 AC only
 An Impulse
 Either AC or DC
 DC only

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