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Electric Circuits

Electric Circuits
Which of the following has positive temperature coefficient ?

  Paper.
  Germanium.
  Gold.
  Rubber.

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Electric Circuits
Advantage of active filter is

  derive high impedance load.
  easy to tune.
  do not offer gain.
  both of above.

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Electric Circuits
In the circuit given, I = 1 A for Is = 0. What is the value of I for Is = 2 A ?

 3 A.
 1 A.
  2 A.
 4 A.

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Electric Circuits
If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power

 150 Hz.
 100 Hz.
 0 Hz.
 50 Hz.

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Electric Circuits
In a series R, L circuit, voltage across resistor and inductor are 3 V and 4 V respectively, then what is the applied voltage?

 3V
 7V
 5V
 4V

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Electric Circuits
If all the elements in a particular network are linear, then the superposition theorem would hold, when the excitation is

 DC only
 AC only
 Either AC or DC
 An Impulse

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MORE MCQ ON Electric Circuits

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