The resistance of a given conductor depends on its electrical resistivity (), its length(L) and its cross-sectional area (A), as follows:
In this case, we have ,
and
. So, the total resistance of the wire with length of 138m is:
g typical coffee mug holds up to 12 oz (340 grams) of water. How much heat energy is required to warm enough water from 23⁰C to
1 answer:
You might be interested in