A single-phase, full-bridge diode rectifier fed from a $230\: V, 50\: Hz$ sinusoidal source supplies a series combination of finite resistance$, R,$ and a very large inductance, $L.$ The two most dominant frequency components in the source current are:
1. $50\: Hz, 0\: Hz$
2. $50 Hz, 100\: Hz$
3. $50\: Hz, 150\: Hz$
4. $150\: Hz, 250\: Hz$