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The human heart transfers
about 30000J energy in
about 8hours.Calculate the
estimate power of human
heart.
1W…read more

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Power calculations
If you have a filament bulb and it has a potential
difference of 200V across it and a current of 0.2A running
through it. At what power is the bulb operating at?
P = IV
P = 0.2A x 200V
P = 40W…read more

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Power calculations
If you have a filament bulb and it operates at a power of
60W and it has a potential difference of 240V across it,
what is the current running through the bulb?
P = IV
I = P/V
I = 60W / 240V
I = 0.25A…read more

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