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Electric Circuits

Electric Circuits
The rms value of the voltage U(t)= 3 + 4cos(3t)

 {3 + 2(1.141)} V.
 7 V.
  5 V.
  4.123 V.

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Electric Circuits
Active filter consists of

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

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Electric Circuits
If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to

  Q2 × d.
  Q × d.
  Q2 / d.
  Q / d2.

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Electric Circuits
Mesh analysis is prefered when loops are------nodes

 equals to
 any of the above
 less than
 greater than

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Electric Circuits
Capacitor does not allow the sudden change of

 power
None of these
 voltage
 current

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Electric Circuits
Electrics supply for electroplating should be

 any of above.
 low frequency ac voltage.
 low AC voltage.
 DC voltage.

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MORE MCQ ON Electric Circuits

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