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Electric Circuits

Electric Circuits
The value of specific gravity of acid when a lead acid battery is fully charged is

 2.185.
 2.9585.
 1.285.
 2.585.

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Electric Circuits
Which of the following is the correct relation?

 AD-BC = 1.
 all of these.
 AC-BD = 1.
 AB-CD = 1 .

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Electric Circuits
An electrical circuit with 10 branches and 7 nodes will have

 7 loop equations.
 3 loop equations.
  10 loop equations.
  4 loop equations.

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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

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

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Electric Circuits
A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be

 30 mA.
 300 mA.
 100 mA.
 3 A.

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Electric Circuits
What is the value of charge of an electron?

 1.6022 × 10-7 Coulomb
 1.6022 × 10-27 Coulomb
 1.6022 × 10-8 Coulomb
 1.6022 × 10-19 Coulomb

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