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Electric Circuits

Electric Circuits
Consider the following circuit. What is the value of current I in the 5 Ω resistor in the circuit given in the figure?

 3 A.
 4 A.
 0 A.
 2 A.

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Electric Circuits
Which of the following has positive temperature coefficient ?

  Germanium.
  Gold.
  Rubber.
  Paper.

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

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Electric Circuits
Active materials of a lead acid cell are

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

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Electric Circuits
What is Va in the below circuit?

 (6R - 10) / 3.
 (3R + 10) / 3.
 (6R + 10) / 3.
 (4R + 10) / 3.

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Electric Circuits
The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is

 0.5 mA.
  0.25 mA.
 1 mA.
 0.35 mA.

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MORE MCQ ON Electric Circuits

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