Load factor of a power station is generally___________?

A. Equal to unity
B. Less than unity
C. More than unity
D. Equal to zero diversity factor is always

Superposition theorem can be applied only to circuits having____________?

A. resistive elements
B. passive elements
C. non-linear elements
D. linear bilateral elements

Kirchhoffs voltage law is related to_____________?

A. Junction currents
B. Battery e.m.fs.
C. Ir drops
D. Both b. and c.

To determine the polarity of the voltage drop across a resistor, it is necessary to know___________?

A. value of current through the resistor
B. direction of current through the resistor
C. value of resistor
D. e.m.fs. in the circuit

“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

“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

A passive network is one which contains____________?

A. only variable resistances
B. only some sources of e.m.f. in it
C. only two sources of e.m.f. in it
D. no source of e.m.f. in it

Which of the following is the passive element?

A. capacitance
B. ideal current source
C. ideal voltage source
D. all of the above

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

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

The number of independent equations to solve a network is equal to_____________?

A. the number of chords
B. the number of branches
C. sum of the number of branches and chords
D. sum of number of branches, chords and nodes