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Electric Circuits

Electric Circuits
Active filter consists of

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

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Electric Circuits
A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be

 3 A.
 30 mA.
 300 mA.
 100 mA.

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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
 0.75 A, 1.5 Ohm
 1A, 5/6 Ohm

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Electric Circuits
For cadium plating electrolyte used is

 cadmium sulphate and sulphuric acid.
 sodium cyanide, cadmium and caustic soda.
 cadmium hexa metaphosphate.
 any of above.

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Electric Circuits
Disadvantages of constant k type filter

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

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Electric Circuits
A capacitor carries a charge of 0.3 C at 20 V. Its capacitance is

 15 μF.
 1.5 μF.
 1.5 F.
 0.015 F.

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MORE MCQ ON Electric Circuits

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