Questions
An electrically heated coil is immersed in a calorimeter containing 360 gm of water at C. The coil consumes energy at the rate of 90W. The water equivalent of the calorimeter and coil is 40 gm. The temperature of water after 10 min is
detailed solution
Correct option is B
energy given by heater=P×t=90×10×60 Jheat absorbed by water and calorimeter system is =( M+Mc) Sw(t-10)90×60×10=400×10-3×4200 (t-10)t= 42.14C 0Talk to our academic expert!
Similar Questions
A test tube containing water is placed in boiling water so that its mouth remains outside the boiling water. Check the wrong statement:
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests