What happens will depend on whether it is a
Most sources of water are electric conductors,
containing enough dissolved salts (even tap water)
to conduct electricity. As a result, any
electrical appliance, including a flashlight, can
be shorted out if put in water.
Being in water when an appliance falls into
that water and shorts out can be dangerous:
blood is a better conductor even than tap
water, and the electric current can use our bodies
to conduct through. The electronics in a
flashlight, however, is surrounded by a casing,
which is not connected to the wiring. Even if the
circuits are still dangerous, the casing is not,
and it would be safe to pick up. If the casing is
water-tight, then water cannot get inside the
flashlight where the circuits are. Not only will
it be safe to pick up, but it will still work.
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