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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Concept explainers

Ohm's law

Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.

Path of Least Resistance

In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.

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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 you
pay ? Neglect the water equivalent of the calorimeter.

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