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Batteries quick check

A quick check of 3 questions. After you submit, each question shows the right answer and why.

3 of 11 questions, Advanced level. Aimed at the Advanced level, your current depth. Questions you have not answered yet come first.

Show all 11 questions

AdvancedQuestion 1 of 3

Lithium-ion battery fires are common even when batteries are good quality and used correctly.

AdvancedQuestion 2 of 3

Why can a lithium-ion battery be recharged hundreds of times, when many other batteries' electrodes slowly wear out?

AdvancedQuestion 3 of 3

A cobalt-based lithium-ion cell reads about 4.2 V when fully charged and is cut off at about 3.0 V. By how many volts does its voltage fall over a full discharge?