NEET 2008 Physics question
An electric kettle takes 4 A current at 220 V. How much time will it take to boil 1 kg of water from temperature ? The temperature of boiling water is .
Answer: (2)
Solution
Heat needed (using ). Electrical power W, so \frac{3.36 × 10^5}{880}$ ≈
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account