A coil takes 15 min to boil a certain amount of water, another coil ta – McqOptions

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1.	A coil takes 15 min to boil a certain amount of water, another coil takes 20 min for the same process. Time taken to boil the same amount of water when both coil are connected in series [DCE 2005]
A.	5 min
B.	8.6 min
C.	35 min
D.	30 min
Answer» D. 30 min

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