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Electric Circuits

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

 2.5 A.
 2 A.
 1 A.
 4 A.

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Electric Circuits
In what connection we get neutral?

  Mesh.
  Delta.
  Star.
  Both A and B.

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Electric Circuits
The norton equivalent of the circuit shown in the figure is

 1A, 1.5 Ohm
 0.75A, 5/6 Ohm
 1A, 5/6 Ohm
 0.75 A, 1.5 Ohm

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Electric Circuits
What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons?

 39.
 19.
 20.
 38.

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Electric Circuits
The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be

 4R Ω
 8R Ω
 R Ω
 2R Ω

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Electric Circuits
Can a 250 V, 5 A single way switch be used in place of a 250 V, 15 A Switch?

  No.
  Yes.
  Single way switch doesn exist.
  Single way switch doesn operate at such current ratings.

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