Which of the following reduce(s) the effect of the back e.m.f. generated in the primary...
PHYSICS
WAEC 1990
Which of the following reduce(s) the effect of the back e.m.f. generated in the primary coil of an induction coil? The capacitor in the circuit II. The make and break contact in the circuit III. The ratio of turns in the secondary to that in the primary
- A. l only
- B. II only
- C. I and II only
- D. II and III only
Correct Answer: C. I and II only
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