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Electric Circuits

Electric Circuits
The electrical conductivity of metal is typically of the order of (in ohm - m)

 10 - 4.
 105.
 107.
 10 - 6.

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Electric Circuits
Condition of symmetry in ABCD parameter representation is

 AD - BC = 1.
 A = D.
 C = D.
 B = D.

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Electric Circuits
In a lead acid cell PbSO4 formed during

  neither during charging nor discharging.
  both during charging as well as discharging.
  charging only.
  discharging only.

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Electric Circuits
When power factor angle is varying, the shape of the current locus is

 Circle
 Semicircle
 Straight line
 Triangle

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Electric Circuits
From the circuit diagram shown in question 1 find the Norton current.

 2 A.
 2.5 A.
 4 A.
 1 A.

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Electric Circuits
If a resistor and a capacitor are connected to form series R - C circuit across a voltage source. If frequency of voltage source increases

 the current increases.
 the current decreases abruptly.
 the current remain unaltered.
 the current decreases.

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