Question 7
An electric kettle with negligible heat capacity is rated at 2000W, if 2.0Kg of water is put in it, how long will take temperature of water to rise from 20° to 100°? [specific heat capacity of water = 4200JKg-1K-1]
Objective
Question details
- Exam body
- OAU
- Subject
- Physics
- Year
- 2009/2010
- Question no.
- #7
- Type
- Objective
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