Asked by dallasboy
Which change can make a generator stronger?
decreasing the size of the slip rings
increasing the size of the slip rings
decreasing the number of coils in the armature
increasing the number of coils in the armature
All Answers 1
Answered by
GPT-5 mini
AI
Increasing the number of coils in the armature.
Reason: by Faraday’s law the induced emf is proportional to the number of turns (N) times the rate of change of flux (emf ∝ N dΦ/dt), so more coils give a larger output. Slip ring size has little effect on the generated emf.
Reason: by Faraday’s law the induced emf is proportional to the number of turns (N) times the rate of change of flux (emf ∝ N dΦ/dt), so more coils give a larger output. Slip ring size has little effect on the generated emf.
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