Electric Circuits
For cadium plating electrolyte used is

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

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Electric Circuits
A pole of driving point impedance is

 zero current for a finite value of driving current.
 zero voltage for a finite value of driving voltage.
 zero current for a finite value of driving voltage.
 zero voltage for a finite value of driving current.

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