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Electric Circuits

Electric Circuits
From the circuit diagram shown in question 1 find the Norton current.

 2.5 A.
 1 A.
 2 A.
 4 A.

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Electric Circuits
Laplace transform analysis gives

 both (a) and (b).
 real response only.
 frequency domain response only.
 time domain response only.

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

 R / 6.
  R / 3.
 R / 2.
 R / 4.

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Electric Circuits
Which property is used to oppose the flow of current ?

 Poteintial difference
 Resistance
 Capacitance
 Inductance

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Electric Circuits
An alternating voltage = 140 sinθ is supplied to a device which offers a resistance of 20 Ω in forward direction of current in reverse direction. Calculate the form factor.

 1.414.
 1.11.
 0.318.
 0.57.

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Electric Circuits
Which of the following has no units?

 Permeability
 Magnetic susceptibility
 Moment of a magnet
 Permittivity

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