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Electric Circuits

Electric Circuits
In which of the following oscillations are not present?

 Over damping
 Both 2 and 3
 Under damping
 Critical damping

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Electric Circuits
Highest current density is usually recommended for

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

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Electric Circuits
Energy efficiency during electroplating is usually in the range

 50 to 80%.
 80 to 85%.
 85 to 90%.
 90 to 99%.

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Electric Circuits
The fixed circular paths around the nucleus are called

 mesons.
 orbits.
 nucleus.
 orbitals.

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Electric Circuits
The life of a lead acid battery is expected to be

 1 year.
 2 to 5 years.
 6 months.
 10 to 15 years.

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Electric Circuits
A capacitor is charged by a constant 10 mA current sources which is turned on for 1 second. Assuming the capacitor is initially charge free; determine the charge delivered to and the power supplied by the source if the capacitor has a value of 1 mF.

 0.01C, 10MW.
 0.1C, 10MW.
 0.01C and 5W.
 0.1C, 100MW.

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