2. Record the values of L and R.
3. Turn on the signal generator and choose sine wave. Set the frequency at about a few tens of kHz. Measure the period T of the sinusoidal wave with the oscilloscope and calculate the frequency f. Keep this frequency unchanged through step 8. Use Table 1 to record your data.
4. Set the amplitude of the output of the signal generator to maximum, and measure the amplitude of the voltage across the inductor, VL. Record the value.
5. Measure the amplitude of the voltage across the resistor, VR. Divide VR by the resistance R to obtain the current I passing through the circuit. Record both VR and I.
6. Reduce the amplitude by about 10% and repeat the steps 4 and 5 to get another set of data.
7. Repeat step 6 until the voltage becomes too low to obtain reasonably good data. You should be able to get more than 6 data points.