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Electric Circuits

Electric Circuits
To apply reciprocity theorem response to excitation ratio is

 Mho.
 No units.
 Either Ohm or Mho.
 Ohm.

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Electric Circuits
Two resistors R1 and R2 give combined resistance of 4.5 Ohm when connected in series and 1 Ohm when in parallel, the resistances are

 1.5 Ohm and 3 Ohm.
 2.2 Ohm and 2.3 Ohm.
 1.25 Ohm and 3.25 Ohm.
 2 Ohm and 2.5 Ohm.

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Electric Circuits
Condition for reciprocity in case of ABCD parameters is

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

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Electric Circuits
Current locus is obtained by which of the following?

None of these
 Either of these
 Varying source frequency
 Varying any one of the circuit element

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Electric Circuits
A current of 1 mA flows through a 1M ohm, 2 W carbon resistor. The power dissipated as heat in the resistor will be

 0.5 W.
 2 W.
 1 W.
None of these

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Electric Circuits
The phase angle difference between current and voltage is 90o, the power will be

 VI.
 maximum.
 minimum.
 zero.

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MORE MCQ ON Electric Circuits

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