Network Theory objective questions and answers

26.  Star circuit has element of resistance R/2. The equivalent delta elements will be

   A. R/6

   B. 3/2 R

   C. 2R

   D. 4R

27.  A delta circuit has each element of value R/2.The equivalent elements of the star circuit will be

   A. R/6

   B. R/3

   C. 2R

   D. 3R

28.  In a series parallel circuit, any two resistance in the same current path must be in

   A. Series with each other

   B. Parallel with each other

   C. Series with the voltage source

   D. Parallel with the voltages source

29.  For high-efficiency of transfer of power, internal resistance of the source should be

   A. Equal to the load resistance

   B. Less than the load resistance

   C. More than the load resistance

   D. None of the above

30.  If the energy is supplied from a source who is resistance is 1 ohm, to a load of 100 ohms, the source will be

   A. A voltage source

   B. A current source

   C. Both of above

   D. None of the above

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