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Electric Circuits

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

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

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Electric Circuits
If N is the number of nodes and b is the number of branches in a network, then rank of cut set matrix is

 b - N + 1.
 b - N - 1.
 N.
 N - 1.

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Electric Circuits
Addition of which of the following substance in electrolyte helps in producing bright finish?

 Phenol.
 Dextrol.
 Glycerine.
 Any of above.

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

 -2/11.
 2/11.
 2.
 -3.

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Electric Circuits
Unit step function is first derivative of

 gate function.
 impulse function.
 parabolic function.
 ramp function.

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Electric Circuits
A 35 V source is connected to a series circuit of 600 Ω and R as shown. If a voltmeter of internal resistance 1.2 kΩ is connected across 600 Ω resistor, it reads 5 V. The value of R is

 7.2 k Ω.
 1.2 k Ω.
 3.6 k Ω.
 2.4 k Ω.

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