-- card: 35465 from stack: in
-- bmap block id: 0
-- flags: 0000
-- background id: 2707
-- name: #237
----- HyperTalk script -----
on openCard
  global group,rightone
  put 20 into group
  put "A" into rightone
  pass openCard
end openCard



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Question #237

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N5C11  What is the name of a current that flows back and forth, first in one direction, then in the opposite direction?

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An alternating current

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A direct current

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A rough current

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A reversing current

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Correct answer is A