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Electric Circuits

Electric Circuits
Active materials of a lead acid cell are

 spongy lead.
 all of above.
 lead peroxide.
 dilute H2SO4.

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Electric Circuits
The Laplace Transform of a shifted unit step f (t) = U (t-a) is

 e-as.
 s(1-e-as).
 (e-as)/s.
 se-as.

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Electric Circuits
In the figure given, the value of R is

 18 Ω.
 10 Ω.
 12 Ω.
 24 Ω.

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Electric Circuits
If a capacitors of capacitance 100 μF is connected across a voltage source of 10 V, then what will be the energy stored in that capacitor?

 5 × 10 - 2 Joule.
 10 × 10 - 3 Joule.
 10 × 10 6 Joule.
 5 × 10 - 3 Joule.

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Electric Circuits
Poorest conductor of electricity is

  Silver.
  Aluminium.
  Steel.
  Carbon.

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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
 160 µF
 10 µF
 5 µF

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MORE MCQ ON Electric Circuits

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