JEE Main 20211 SeptemberEvening Shift
- Exam
- JEE Main
- Year
- 2021
- Date
- 1 September
- Shift
- Evening Shift
- Subject
- Physics
- Chapter
- Thermal Properties of Matter
JEE Main 2021 · 1 September · Evening Shift · Physics · Thermal Properties of Matter
Due to cold weather, a 1m water pipe of cross-sectional area 1 cm ^...
Due to cold weather, a water pipe of cross-sectional area is filled with ice at Resistive heating is used to melt the ice. Current of is passed through resistance. Assuming that all the heat produced is used for melting, what is the minimum time required?
(Given latent heat of fusion for water/ice specific heat of ice and density of ice
Options
- A
- B
- C
- D
Correct answer
C.
Step-by-step solution
The mass of ice, ,
Energy required to melt the ice, ,