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Electric Circuits

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

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

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Electric Circuits
Three resistors of 4 ohm, 6 ohm and 8 ohm are in parallel. In which resistor, power dissipation will be maximum

 8 Ohm.
 6 Ohm.
 4 Ohm.
 equal in all resistors.

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Electric Circuits
Which of the following may be the value of resistivity of copper at absolute zero in ohm-metre?

 6.24.
 0.020.
 3.12.
 1.56.

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Electric Circuits
The breakdown voltage for paper capacitor is usually

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

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Electric Circuits
A two port network is defined by the relation The value of Z11 is

 -3.
 2.
 2/11.
 -2/11.

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Electric Circuits
A series RLC circuit is connected across a 240V, 50 Hz supply. When the voltage across capacitor is 250V, a maximum current of 0.5A flows in the circuit. Find the inductance.

 6.37 µF.
 2.25 µF.
 1.58 µF.
 0.47 µF.

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MORE MCQ ON Electric Circuits

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