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Electric Circuits

Electric Circuits
Current efficiency in electroplating is usually

  50 to 60 %.
  70 to 80 %.
  99 %.
  90 to 98 %.

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Electric Circuits
The maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the average value in Amperes.

 0.741 A.
 1.414 A.
 1.57 A.
 0.494 A.

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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 tie set matrix is

 b - N - 1.
 b - N + 1.
 N.
 N - 1.

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Electric Circuits
The electron is lighter than a proton by a factor of about

 18400.
 18.4.
 1840.
 184.

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Electric Circuits
A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be

 3 A.
 100 mA.
 300 mA.
 30 mA.

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Electric Circuits
From the circuit diagram shown in question 1 find the maximum power transferred to the load.

 4.547 W.
 1.875 W.
 15.247 W.
 9 W.

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MORE MCQ ON Electric Circuits

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