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Electric Circuits

Electric Circuits
In steady state condition capacitor acts as a

 current source
 short circuit
 open circuit
 voltage source

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Electric Circuits
Electrics supply for electroplating should be

 any of above.
 DC voltage.
 low frequency ac voltage.
 low AC voltage.

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Electric Circuits
Four capacitors each of 40 µF are connected in parallel, the equivalent capacitance of the system will be

 40 µF
 5 µF
 10 µF
 160 µF

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Electric Circuits
From the circuit diagram shown in question 1 find the maximum power transferred to the load.

 9 W.
 15.247 W.
 4.547 W.
 1.875 W.

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Electric Circuits
In a capacitor the electric charge is stored in

 none of above.
 both of (A) and (B).
 metal plates.
 dielectric.

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Electric Circuits
A cube of material of side 1 cm has a resistance of 0.002 Ω between its opposite faces. If the same volume of the material has a length of 4 cm and a uniform cross - section, the resistance of this length will be

 0.064 Ω.
  0.032 Ω.
 0.016 Ω.
  0.128 Ω.

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