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Electric Circuits

Electric Circuits
A two port network is defined by the relation The value of Z12 is

 -3.
 3.
 2/31.
 3/41.

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Electric Circuits
Highest current density is usually recommended for

  tin plating.
  chromium plating.
  cadmium plating.
  bronze plating.

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Electric Circuits
Which metal is deposited for electro forming?

  Iron.
  Silver.
  Chromium.
  Nickel.

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Electric Circuits
Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be

 66.66.
 36.36.
 40.25.
 76.66.

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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

 30 mA.
 100 mA.
 300 mA.
 3 A.

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Electric Circuits
For cadium plating electrolyte used is

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

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