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Q:
How do you fix a
short circuit?
Q:
What does an electric
current have in
common with a
tightrope walker?
A:
Lengthen it.
A:
They both like
to travel along
high wires.
It’s easy to recreate Oersted’s
experiment. When you push down
the lever to complete the circuit,
you will see the needle on the
compass move.