Plz solve this sum
Asked by | 8th Feb, 2010, 02:06: PM
Say Q amount of heat energy is required to start boiling the water.
Coil 1 gives Q/10 heat enrgy per minute
cOIL 2 gives Q/15 heat enrgy per minute
If both the coils qorking together
they can give Q/10+Q/15 =Q/6 heat enrgy per minute
So it takes 6 minutes to start boiling the water with both the coils on together.
Answered by | 8th Feb, 2010, 02:37: PM
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