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Electric Circuits

Electric Circuits
Active filter consists of

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

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Electric Circuits
If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit increase if frequency of voltage source increases?

 VL and Z.
 VL and VR.
 VL and I.
 Z and I.

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Electric Circuits
The breakdown voltage for paper capacitor is usually

 20 to 60 volts.
 more than 10000 volts.
 2000 to 3000 volts.
 200 to 1600 volts.

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Electric Circuits
Which of the following can not be connected in series unless they are identical?

 Voltage source.
 Both of above.
 Resistance.
 Current source.

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Electric Circuits
The current through the 2 KΩ resistance ( rest resitances are all 1 ohm each ) in the circuit shown in diagram

 1 mA.
 6 mA.
 2 mA.
 0 mA.

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Electric Circuits
In which of the circuits power factor can be zero?

 inductive.
 both ‘a’ and ‘b’
 resistive.
 capacitive.

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MORE MCQ ON Electric Circuits

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