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Electric Circuits

Electric Circuits
In the circuit shown in figure if I1 = 1.5 A, then I2 will be

 0.5 A.
 1.5 A.
 2 A.
 1 A.

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Electric Circuits
The electron is lighter than a proton by a factor of about

 1840.
 184.
 18.4.
 18400.

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Electric Circuits
Condition for reciprocity in case of ABCD parameters is

 AD-BC = 0.
 AD-BC = 1 .
 AB-CD = 1.
  AB-CD = 0.

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Electric Circuits
Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be

 76.66.
 36.36.
 40.25.
 66.66.

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Electric Circuits
Link in network theory refers to

  B - N + 1.
  N - 1.
  N - B - 1.
  B - N - 1.

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Electric Circuits
Image impedance can be written by using short circuit impedance(Zsc)and open circuit impedance(Zoc) as

 Zsc+Zoc
  (Zsc . Zoc)½
 Zsc-Zoc
 Zsc/Zoc

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