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Electric Circuits

Electric Circuits
Air gap flux density is of the order of

  0.65 - 0.9 T.
  0.35 - 0.5 T.
 0.85 - 0.9 T.
 0.75 - 0.8 T.

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Electric Circuits
Which of the following carbon coded resistor has value of 10k ohm with 20% tolerance?

 Brown, black, orange and no tolerance band.
 Red, red, green and silver stripes.
 Yellow, violet, yellow and silver stripes.
 Orange, orange, black and gold stripes.

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Electric Circuits
The electrical resistance of human body is around

  25 ohms.
  5 ohms.
  1000 ohms.
  250 ohms.

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Electric Circuits
If conductance increases as temperature increases it is called as ..........

 negative co-efficient.
 positive co-efficient.
None of these
 both 1 and 2.

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Electric Circuits
Which of the following ABCD parameters is unit less?

 A and B.
 A and C.
 A and D.
 B and C.

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Electric Circuits
A 50 μF capacitor is charged to retain 10 MJ of energy by a constant charging current of 1 A. Determine the voltages across the capacitor?

 30 V.
 60 V.
 20 V.
 50 V.

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