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Electric Circuits

Electric Circuits
In the figure given, the value of R is

 10 Ω.
 12 Ω.
 24 Ω.
 18 Ω.

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

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Electric Circuits
To obtain wide bandwidth, network is designed with which of the following?

 Unity Q factor
 High Q factor
 Low Q factor
 Zero Q factor

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Electric Circuits
A current of 1 mA flows through a 1M ohm, 2 W carbon resistor. The power dissipated as heat in the resistor will be

None of these
 1 W.
 2 W.
 0.5 W.

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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

 + 7 %.
  + 5 %.
 + 8 %.
  + 6 %.

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Electric Circuits
When the battery is being charged, the terminal voltage decreases with

 increasing state of charge.
 none of these.
 increasing charging rate.
 increasing temperature.

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