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Electric Circuits

Electric Circuits
In active filter which element is absent?

 Inductor.
 Capacitor.
 Both of above.
 Resistor.

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Electric Circuits
While comparing magnetic field and electric circuits, the point of dissimilarity exists while considering

 reluctance and resistance.
 permeance and conductance.
 flux and current flow.
 mmf and emf.

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Electric Circuits
In balanced bridge, if the positions of detector and source are interchanged, the bridge will still remain balanced. This can be explained from which theoem

 Norton's theorem
 Thevinin's theorem
 Reciprocity theorem
 Compensation theorem

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Electric Circuits
An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance.

 infinite, infinite
 zero, zero
 zero, infinite
 infinite, zero

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Electric Circuits
Two wires of A and B of the same material and length ‘l’ and ‘2l’ have radius ‘r’ and ‘2r’ respectively. The ratio of their specific resistance will be

 1:8.
 4:1.
 1:1.
 1:2.

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Electric Circuits
The electrical resistance of human body is around

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

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MORE MCQ ON Electric Circuits

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