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Electric Circuits

Electric Circuits
What will be the rms value of rectangular wave with amplitude 10 V?

 10 V.
 7.7 V.
 11.2 V.
 5√2 V.

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Electric Circuits
For cadium plating electrolyte used is

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

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Electric Circuits
What are the points to be mentioned in specifying main switches?

  Current rating.
  Both A and B.
  Voltage grade.
  None of these.

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Electric Circuits
When water is added to sulphuric acid

  colour of acid changes.
  acid particles get separated.
  water start boiling.
  lot of heat is generated.

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Electric Circuits
Condition of reciprocity in Y-parameter representation is

 Y11 = Y22.
 Y12 = Y22.
 Y11 = Y12.
 Y12 = Y21.

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Electric Circuits
Internal heating of a capacitor is usually attributed to

 electron movement.
 dielectric charge.
 plate vibration.
 leakage resistance.

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