Electric Circuits
For cadium plating electrolyte used is

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

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Electric Circuits
What is called a cycle in case of AC operation ?

 When an alternating quantity completes the (–)ve cycle, is called a cycle.
 When ac completes the (+)ve half, is called a cycle.
  When ac goes through a complete (+)ve to (-)ve, is called a cycle.
 Option A and C both.

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