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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
Consider the following circuit : Switch is closed at t = 0 Find i(0 +)

 V/R.
 0.
 V / {R + (sL + 1 / Cs)}.
 (V*L) / (R*C)

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Electric Circuits
Three resistances have the following ratings 150 Ω at 5 %, 100 Ω at 5 % and 200 Ω at 5 % respectively. The percentage error when all the three are connected in series will be

  + 5 %.
 + 7 %.
 + 8 %.
  + 6 %.

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Electric Circuits
If conductance increases as temperature increases it is called as ..........

 positive co-efficient.
 both 1 and 2.
None of these
 negative co-efficient.

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Electric Circuits
The linear circuit element is

 all of above.
 capacitor.
 resistor.
 inductor.

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Electric Circuits
Constant K type HPF (high pass filter) having cut off frequency 12 KHz and nominal impedance Ro = 500 Ω Find shunt arm inductor L and series arm capacitance C for T and π section of HPF ?

 L = 0.0132 mH, C = 0.0132 μF.
 None of these.
 L = 3.316 mH, C = 132 μF.
 L = 3.316 mH, C = 0.0132 μF.

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