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Electric Circuits

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

 107.
 105.
 10 - 4.
 10 - 6.

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Electric Circuits
A dependent source can be

 a current source.
 neither a voltage nor a current source.
 a voltage source.
 both a voltage or a current source.

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Electric Circuits
Electro-chemical equivalent is usually expressed in

  mg per kVA.
  mg per volt.
  mg per coulomb.
  mg per kW.

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Electric Circuits
In delta connected circuit when one resistor is open, then power will be

 reduced by the factor of 3.
 increased by factor of 3.
 0.
  remain unchanged.

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Electric Circuits
The current flowing between electrodes inside a lead acid battery is

 proton current.
 electron current.
 ionization current.
 polarization current.

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Electric Circuits
i) In star connection line current is equal to phase current. ii) In delta connection line voltage is equal to phase voltage. For a given phase connected to the particular line which of the statement is true ?

 Only (2).
 Both (1) and (2).
 None of these.
 Only (1).

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