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Electric Circuits

Electric Circuits
Active filter consists of

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

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Electric Circuits
Which of the following are typical resistance and power-dissipation values for a carbon-composition resistor?

 5000 ohms, 100W.
 1000000 ohms, 1 W.
 10 ohm, 50 W.
 10000 ohms, 10 W.

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Electric Circuits
To apply reciprocity theorem response to excitation ratio is

 No units.
 Either Ohm or Mho.
 Ohm.
 Mho.

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Electric Circuits
What is form factor?

  R.M.S. value / Average value.
 Average value / Peak value.
 Average value / R.M.S. value.
 Instantaneous value / Average value.

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Electric Circuits
Energy efficiency during electroplating is usually in the range

 90 to 99%.
 50 to 80%.
 80 to 85%.
 85 to 90%.

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Electric Circuits
If c1 = 8 μF, c2 = 4 μF, c3 = 7 μF c1, c2 are in series with c3 in parallel; effective capacitance will be

 2.21 μF.
 9.67 μF.
 6 μF.
 3 μF.

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MORE MCQ ON Electric Circuits

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