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Electric Circuits

Electric Circuits
The phase angle difference between current and voltage is 90o, the power will be

 VI.
 zero.
 minimum.
 maximum.

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Electric Circuits
Which of the following are typical resistance and power-dissipation values for a carbon-composition resistor?

 10 ohm, 50 W.
 10000 ohms, 10 W.
 5000 ohms, 100W.
 1000000 ohms, 1 W.

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Electric Circuits
Current efficiency in electroplating is usually

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

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Electric Circuits
There are two capacitors C1 and C2 in parallel , what will be their equivalent capacitance?

 (C1 + C2) / C1C2.
 C1 + C2.
 C1C2.
 (C1C2) / C1 + C2.

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Electric Circuits
In 2 port network Z12 = Z21 indicates which property

 linear.
 unilateral.
 non linear.
 bilateral.

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Electric Circuits
The unit of resistivity is

 Ω / m².
 Ω.
 Ω - metre.
 Ω / metre.

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MORE MCQ ON Electric Circuits

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