For maximum transfer of power, internal resistance of the source should be_____________?
(A) equal to load resistance
(B) less than the load resistance
(C) greater than the load resistance
(D) none of the above
Efficiency of power transfer when maximum transfer of power c xerosis
(A) 100%
(B) 80%
(C) 75%
(D) 50%
Thevenin resistance Rth is found
(A) by removing voltage sources along with their internal resistances
(B) by short-circuiting the given two terminals
(C) between any two ‘open’ terminals
(D) between same open terminals as for Etk
Kirchhoffs current law is applicable to only
(A) junction in a network
(B) closed loops in a network
(C) electric circuits
(D) electronic circuits
Which plant can never have 100 percent load factor?
(A) Peak load plant
(B) Base load plant
(C) Nuclear power plant
(D) Hydro electric plant
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
“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