A passive network is one which contains____________?
Correct answer: D. no source of e.m.f. in it
- 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
Explanation
A passive network has no independent source of e.m.f. or externally supplied energy; it only absorbs or stores energy through elements such as resistors, inductors and capacitors. Therefore, the intended answer is no source of e.m.f.
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