| 1. | Efficiency of power transfer when maximum transfer of power occur is ? | |
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100%
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80%
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75%
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50%
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Report Question| 2. | A passive network is one which contains ? | |
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only variable resistances
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only some sources of e.m.f in it
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only two sources of e.m.f. in it
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no source of e.m.f. in it
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| 3. | ln Thevenin's theorem, to find Z ? | |
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all independent current sources are short circuited and independent voltage sources are open circuited
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all independent voltage sources are open circuited and all independent current sources are short circuited
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all independent voltage and current sources are short circuited
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all independent voltage sources are short circuited and all independent current sources are open circuited
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| 4. | ln 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 ? | |
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Thevenin's theorem
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Norton's theorem
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Superposition theorem
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None of the above
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| 5. | any linear bilateral network, if a source of e.m.f. E in any branch produces a current I in any other branch, then same e.m.f. acting in the second branch would produce the same current I in the first branch". The above statement is associated with ? | |
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compensation theorem
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superposition theorem
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reciprocity theorem
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none of the above
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| 6. | Superposition theorem can be applied only to circuits having ? | |
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resistive elements
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passive elements
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non-linear elements
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linear bilateral elements
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| 7. | Kirchhoff's voltage law is related to ? | |
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junction currents
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battery e.m.fs.
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IR drops
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both (b) and (c)
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| 8. | According to Kirchhoff's voltage law, the algebraic sum of all IR drops and e.m.fs. in any closed loop of a network is always ? | |
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negative
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positive
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determined by battery e.m.fs,
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zero
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| 9. | For a voltage source ? | |
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terminal voltage is always lower than source e.m.f
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terminal voltage connect be higher than source e.m.f.
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the source e.m.f. and terminal voltage are equal
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none
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