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Electric Circuits

Electric Circuits
The thevnin equivalent of the circuit shown in the figure is

 0.75 V, 1.5 Ohm
 1.5V, 5/6 Ohm
 0.75V, 5/6 Ohm
 1.5V, 1.5 Ohm

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Electric Circuits
Which of the following are the passive elements?

 Resistor
 None of these.
 Both
 Bulb

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Electric Circuits
A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is

 C Farad.
 2C Farad.
 4C Farad.
 16C Farad.

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Electric Circuits
In RLC parallel circuit to get Q>1 which of the following is required?

All of these
 XL
 XL=R
 XL>R

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Electric Circuits
In above question, if circuit efficiency is 90 %. What will be output power ?

  35.6 kW.
  30 kW.
  40 kW.
  37.3 kW.

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Electric Circuits
If one cycle of AC waveform occurs every millisecond, the frequency will be

 10 kHz.
 1000 Hz.
 50 Hz.
 100 Hz.

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MORE MCQ ON Electric Circuits

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