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301. |
Superposition theorem is based on |
A. | reciprocity |
B. | duality |
C. | non-linearity |
D. | linearity |
Answer» D. linearity |
302. |
The Norton current is sometimes called the |
A. | shorted-load current |
B. | open-load current |
C. | thevenin current |
D. | thevenin voltage |
Answer» A. shorted-load current |
303. |
Kirchhoff s current law states that |
A. | net current flow at the junction is positive |
B. | hebraic sum of the currents meeting at the junction is zero |
C. | no current can leave the junction without some current entering it. |
D. | total sum of currents meeting at the junction is zero |
Answer» B. hebraic sum of the currents meeting at the junction is zero |
304. |
According to Kirchhoffs voltage law, the algebraic sum of all IR drops and e.m.fs. in any closed loop of a network is always |
A. | negative |
B. | positive |
C. | determined by battery e.m.fs. |
D. | zero |
Answer» D. zero |
305. |
Kirchhoffs current law is applicable to only |
A. | junction in a network |
B. | closed loops in a network |
C. | electric circuits |
D. | electronic circuits |
Answer» A. junction in a network |
306. |
Kirchhoffs voltage law is related to |
A. | junction currents |
B. | battery e.m.fs. |
C. | ir drops |
D. | both (b) and (c) |
Answer» D. both (b) and (c) |
307. |
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 |
Answer» D. between same open terminals as for etk |
308. |
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 |
Answer» C. zero source resistance |
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