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Electric Circuits

Electric Circuits
For the circuit given in the figure the power delivered by the 2 V source is given by

 2 W.
 - 4 W.
 - 2 W.
 4 W.

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Electric Circuits
Two resistors R1 and R2 give combined resistance of 4.5 Ohm when connected in series and 1 Ohm when in parallel, the resistances are

 2.2 Ohm and 2.3 Ohm.
 1.25 Ohm and 3.25 Ohm.
 2 Ohm and 2.5 Ohm.
 1.5 Ohm and 3 Ohm.

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Electric Circuits
For ideal tank circuit, what is the value of dynamic admittance?

None of these
 Both
 ∞
 0

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Electric Circuits
Purpose of using capacitor is / are

 effect DC filter in electronic circuit.
 all of these.
 to do phase split in AC 1 phase motor.
 increase p.f of inductive load circuit.

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Electric Circuits
Fall time is the time required for a pulse to decrease from 90 to ________% if its maximum values

 20
 5
 10
 15

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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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MORE MCQ ON Electric Circuits

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