An electric tea kettle has two electric heating coils When

Last updated: 6/8/2023

An electric tea kettle has two electric heating coils When one of the coils is switched on the tea begins to boil in 6 minutes When the other is switched on the boiling begins in 8 minutes a If both the coils are now arranged in series and switched on boiling starts in A 24 7 minutes B 12 minutes C 14 minutes D 4 minutes b If the coils are arranged in parallel and switched on then boiling starts in A 24 7 minutes B 12 minutes C 14 minutes D 4 minutes If 2 bulbs rated 2 5 W 110 V and 100 W 110 V are connected in series to a 220 V supply then