Question Answers

Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > An electric tea kettle has two heating coils. When one of the coils is switched on , boiling begins in 6min. When the other coil is switched on , boiling begins in 8min. In what time will the boiling begin if both coils are switched on simultaneously (i) in series and (ii) in parallel.

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

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