Electrician and Wireman Electrical Networks Alternating Current

What can be concluded if an oscilloscope shows the lagging waveforms of current when voltage is applied to a device?

1
The device has only a resistive element.
2
The device has an inductor, in series with the resistance.
3
The device has a parallel combination of an inductor and a capacitor.
4
A capacitor in the device is in a series with the resistance.
5
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