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Electric Circuits

Electric Circuits
The lead acid cell should not never be discharged beyond

 2.1 V
 1.9 V.
 1.8 V.
 2 V.

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Electric Circuits
Say A point has an absolute potential of 40 V and point B has an absolute potential of - 10 V, then what will be the value of VBA ?

  30 V.
  - 50 V.
  none of above.
 50 V.

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Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The phase angle of current in respect of supply voltage will be

 28.8o.
 20.2o.
 40.4o.
 32.1o.

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Electric Circuits
An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value?

 (2 + j4) pu
 (4 + j3) pu
 (4 + j2 ) pu
 (3 + j4) pu

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Electric Circuits
A capacitor carries a charge of 0.3 C at 20 V. Its capacitance is

 1.5 F.
 15 μF.
 0.015 F.
 1.5 μF.

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Electric Circuits
A 100 ohm resistor is directly connected across a 80 V battery. What is the power dissipation?

 10 W.
 5 W.
 1 W.
  64 W.

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MORE MCQ ON Electric Circuits

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