Knock out the battery myths

Exercise and reference answers

Questions

1. Question

   Three of these claims about batteries are false.

   Choices

   1. Item

      A secondary cell can be recharged

      Correct

      Yes

   2. Explanation

      Primary batteries react only once, then die

      Item

      Dry cells recharge beautifully

   3. Explanation

      The mercury cell suits low current devices

      Item

      Mercury cells drive heavy machinery

   4. Explanation

      It is the classic rechargeable secondary cell

      Item

      Lead storage is a primary battery

Instructions

Tap each claim you can prove false. The true one stays put.

Explanation