McqMate
| 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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