Now you are going to test Eq.(4), the dependence of the inductive reactance as a function
of frequency. Use Table 2 to record your data. The frequency is now a variable and must
be changed in your data taking. Use the maximum amplitude all the time. For a certain
frequency, measure the current I and the voltage across the inductor as described in steps 4
and 5, and measure the frequency (1/T) using the oscilloscope. This gives one data point.
Then change the frequency and repeat the measurement to get another data point. You
should get about ten data points in the frequency range between a few hundred Hz to a few
hundred kHz