It takes 20 minutes to heat 2000 g of water at 30°C to 100°C with the help of an electric kettle of resistance 10 ohm. How much current is taken by the kettle ? What is the amount of power consumed by the kettle ? If one kWh costs 60 paise, how much will pay ? Neglect the water equivalent of the calorimeter. you

It takes 20 minutes to heat 2000 g of water at 30°C to 100°C with the help of an electric kettle of resistance 10 ohm. How much current is taken by the kettle ? What is the amount of power consumed by the kettle ? If one kWh costs 60 paise, how much will pay ? Neglect the water equivalent of the calorimeter. you

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter22: Electric Current

Section22.2: Using Electric Energy

Problem 31PP

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