Book 22, Question 44

How Does a Hand-Crank Flashlight Work Without Batteries?

Name: How Does a Hand-Crank Flashlight Work Without Batteries?
Uploaded: 2026-10-05T12:14:04+00:00
Description: A hand-crank flashlight has no batteries to replace. You just turn the crank, and the light comes on. How does that work? Hand-crank radios and chargers use the same idea.

A hand-crank flashlight has no batteries to replace. You just turn the crank, and the light comes on. How does that work? Hand-crank radios and chargers use the same idea.

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