A fuse and a relay each use an effect of an electric current.
Which effect of an electric current is used by a fuse and which effect is used by a relay?
1 )
effect used by a fuse:heating effect / effect used by a relay:heating effect
effect used by a fuse:heating effect / effect used by a relay:magnetic effect
3 )
effect used by a fuse:magnetic effect / effect used by a relay:heating effect
4 )
effect used by a fuse:magnetic effect / effect used by a relay:magnetic effect
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