For maximum transfer of power, internal resistance of the source should be_____________?

Related Mcqs:

1. “Any number of current sources in parallel may be replaced by a single current source whose current is the algebraic sum of individual source currents and source resistance is the parallel combination of individual source resistances”. This statement is associated with:

   A. Thevenin’s theorem
   B. Millman’s theorem
   C. Maximum power transfer theorem
   D. None of the above

2. 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

3. Efficiency of power transfer when maximum transfer of power c xerosis

   A. 100%
   B. 80%
   C. 75%
   D. 50%

4. “Maximum power output is obtained from a network when the load resistance is equal to the output resistance of the network as seen from the terminals of the load”. The above statement is associated with____________?

   A. Millman’s theorem
   B. Thevenin’s theorem
   C. Superposition theorem
   D. Maximum power transfer theorem

5. If the energy is supplied from a source, whose 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

6. A star circuit has element of resistance R/2. The equivalent delta elements will be_____________?

   A. R/6
   B. fi?
   C. 2R
   D. 4R

7. “In any network containing more than one sources of e.m.f. the current in any branch is the algebraic sum of a number of individual fictitious currents (the number being equal to the number of sources of e.m.f.), each of which is due to separate action of each source of e.m.f., taken in order, when the remaining sources of e.m.f. are replaced by conductors, the resistances of which are equal to the internal resistances of the respective sources”. The above statement is associated with:

   A. Thevenin’s theorem
   B. Norton’s theorem
   C. Superposition theorem
   D. None of the above

8. An ideal voltage source has__________?

   A. zero internal resistance
   B. open circuit voltage equal to the voltage on full load
   C. terminal voltage in proportion to current
   D. terminal voltage in proportion to load

9. An ideal voltage source should have______________?

   A. large value of e.m.f.
   B. small value of e.m.f.
   C. zero source resistance
   D. infinite source resistance

10. A network which contains one or more than one source of e.m.f. is known as___________?

    A. linear network
    B. non-linear network
    C. passive network
    D. active network