1.

A torch bulb is rated at 5V and 500mA calculate its power​

Answer»

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GIVEN:-

  • Potential DIFFERENCE (V) = 5V
  • Current (I) = 500mA = 0.5A

______________

➦ For power:-

➮ V X I

➮ 5 x 0.5

➮ 2.5W

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Related information:-

Power is a amount of energy transfered of being converted in per UNIT time.

➦ The S.I unit of power is Watt which is equal to one joule per second.

➦ Power is a scaler quantity.



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