An electric tea kettle has two heating coils. When one of the coils is switched on , boiling begins in `6 min`. When the other coil is switched on , boiling begins in `8 min`. In what time will the boiling begin if both coils are switched on simultaneously (i) in series and (ii) in parallel.

Options

A. 14 min in series
B. 3.43 mi9n in parallel
C. 3.43 min in series
D. 14 min in parallel