Question 25
An electric kettle with negligible heat capacity is rated at 2000W. If 2.0kg of water is put in it, how long will it take for the temperature of water to rise from 20°C to 100°C (S. H. C of water = 4200JKg-1K-1
Objective
Question details
- Exam body
- NDA
- Subject
- Physics
- Year
- 2019/2020
- Question no.
- #25
- Type
- Objective
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