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The current through a wire depends on time as
PHYSICS · Subjective · A Level · Physics · Electricity · Electricity
Problem
The current through a wire depends on time as
i
=
10
+
4
t
i=10+4t
i
=
10
+
4
t
, where
i
i
i
is in amperes and
t
t
t
is in seconds. Find the charge crossing a section in the time interval from
t
=
0
t=0
t
=
0
to
t
=
10
s
t=10\ \text{s}
t
=
10
s
.
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