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What is electrical current?

How much electrical charge has been transferred per second (from the relationship Q=It) charge = current x time.

Answered by Suzanna H. • Physics tutor

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The energy transferred from the water in the kettle to its surroundings in 2 hours is 46 200 J. The mass of water in the kettle is 0.50 kg. The specific heat capacity of water is 4200 J/kg °C. What is its temperature after 2 hours?

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