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Electric Circuits

Electric Circuits
The unit of resistivity is

 Ω.
 Ω - metre.
 Ω / metre.
 Ω / m².

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Electric Circuits
The unit of electric displacement vector is

 Ampere-m.
 C/m.
 C/m2.
 C - m.

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Electric Circuits
Galvanizing is the coating of

 brass.
 lead.
 zinc.
 chromium.

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Electric Circuits
In a delta network each element has value R. The value of each element in equivalent star network will be

 R / 6.
  R / 3.
 R / 4.
 R / 2.

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Electric Circuits
Four capacitors each of 40 µF are connected in parallel, the equivalent capacitance of the system will be

 5 µF
 40 µF
 160 µF
 10 µF

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Electric Circuits
A capacitor passes a current of 12.6 mA when supplied with 20 V ac with a frequency of 1000 Hz. The capacitance will be

 0.01 μF.
 1 μF.
 0.1 μF.
 0.001 μF.

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MORE MCQ ON Electric Circuits

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