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What determines the rate at which energy...

What determines the rate at which energy is delivered by a current ?

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The rate of consumption of electric energy in an electric appliance in called electric power. Hence, the rate at which energy is delivered by a current is the power of the appliance.
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NCERT ENGLISH-ELECTRICITY-Exercise
  1. Compute the heat generated while transferring 96000 coulombs of charge...

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  8. Two conducting wires of the same material and of equal length and equa...

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  10. A copper wire has a diameter of 0.5 mm and a resistivity of 1.6 xx 10^...

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  11. The value of current, I, flowing in a given resistor for the correspon...

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  12. When a 12 V battery is connected across an unknown resistor, there is ...

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  14. How many 176 Omega resistors (in parallel) are required to carry 5 A ...

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  15. Show how you would connect three resistors, each of resistance 6 Omega...

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  16. Several electric bulbs designed to be used on a 220 V electric supply ...

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  17. A hot plate of an electric oven connected to a 220 V lines has two res...

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