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Electric Circuits

Electric Circuits
A two port network is defined by the relation The value of Z12 is

 3.
 3/41.
 2/31.
 -3.

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Electric Circuits
Three resistors of 4 ohm, 6 ohm and 8 ohm are in parallel. In which resistor, power dissipation will be maximum

 equal in all resistors.
 8 Ohm.
 6 Ohm.
 4 Ohm.

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Electric Circuits
A wire of 0.14 mm diameter and specific resistance 9.6 Ω - cm is 440 cm long. The resistance of the wire will be

 11.3 Ω.
 13.7 Ω.
 9.6 Ω.
 27.4 Ω.

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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
Which material has extremely large resistance?

 Semiconductor
 Conductor
 Insulator
None of these

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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 / 4.
  R / 3.
 R / 2.
 R / 6.

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