Electrical mathQuestion 772 of 1506

A fully discharged 48 Ah battery is charged at a constant 6 A. About how long does the charge take?

  1. 42 h
  2. 8 h
  3. 288 h
  4. 0.125 h
Show answer

Correct answer: 8 h

Time = 48 Ah / 6 A = 8 h.

Source: Lessons in Electric Circuits I: DC (Kuphaldt), 11.3: Battery Ratings

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Questions last reviewed: 18 October 2026