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Electric Circuits

Electric Circuits
Which of following is the unit of magnetic flux density?

 Lumens.
 Weber.
 Daraf.
 Tesla.

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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 ?

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

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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

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

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Electric Circuits
Active filter consists of

 op-amp and capacitor.
 op-amp.
 capacitor.
 inductor.

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Electric Circuits
Five cells are connected in series in a row and then four such rows are connected in parallel to Feed the current to a resistive load of 1.25Ω. Each cell has an emf of 1.5 V with internal resistance Of 0.2Ω. The current through the load will be

 1 A
 3.33 A
 5 A
 23.33 A

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Electric Circuits
Discrete values represent which type of signal

 Discretal
 Decimal
 Analog
 Digital

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MORE MCQ ON Electric Circuits

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