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which of the following would double the amount of current flowing through a piece of metal wire
A) Halve the voltage across it.
B) Double the voltage across it.
C) Quarter the voltage across it.
D) Quadruple the voltage across it.
The answer is (B)
as we know the current i=v/r
by doubling the voltage, you can double the current through the wire.
Use the ohm law calculator to find out https://electric-shocks.com/state-and-explain-ohms-law/
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