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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
If 1 A current flows in a circuit, the number of electrons flowing through this circuit is

 0.625 × 1019
 1.6 × 10 - 19
 0.625 × 10 - 19
 1.6 × 1019

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Electric Circuits
Disadvantages of constant k type filter

  both A and B.
  none of these.
  attenuation does not increase rapidly beyond cut off frequency.
  characteristic impedance unchanged in pass band.

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Electric Circuits
A external resistance R is connected to a cell of internal resistance r, then the current is maximum when

 R = r.
None of these
 R > r.
 R < r.

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Electric Circuits
Active filter consists of

 inductor.
 op-amp and capacitor.
 op-amp.
 capacitor.

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Electric Circuits
Internal resistance of ideal voltage source is

 zero
 infinite
 finite
 100 ohms

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