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Electric Circuits

Electric Circuits
Open circuit voltage of a fully charged lead acid cell is

 2 V.
 1.9 V.
 2.7 V.
 2.5 V.

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Electric Circuits
The electrical resistance of human body is around

  5 ohms.
  250 ohms.
  1000 ohms.
  25 ohms.

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Electric Circuits
Constant K type HPF (high pass filter) having cut off frequency 12 KHz and nominal impedance Ro = 500 Ω Find shunt arm inductor L and series arm capacitance C for T and π section of HPF ?

 L = 0.0132 mH, C = 0.0132 μF.
 L = 3.316 mH, C = 0.0132 μF.
 None of these.
 L = 3.316 mH, C = 132 μF.

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Electric Circuits
The charge of an electron is

 - 9.109 × 10 - 31 Coulombs.
 - 1.675 × 10 - 27 Coulombs.
 - 1.602 × 10 - 19 Coulombs.
 - 1.672 × 10 - 27 Coulombs.

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Electric Circuits
In a lead acid cell PbSO4 formed during

  discharging only.
  neither during charging nor discharging.
  charging only.
  both during charging as well as discharging.

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Electric Circuits
A series RLC circuit is connected across a 240V, 50 Hz supply. When the voltage across capacitor is 250V, a maximum current of 0.5A flows in the circuit. Find the inductance.

 2.25 µF.
 1.58 µF.
 0.47 µF.
 6.37 µF.

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MORE MCQ ON Electric Circuits

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