Question

a torch bulb is rated 5v and 500mA calculate its power
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Answer 1

Explanation:

current= 500 ×10^-3. =0.5A

V=5v

P=VI

0.5×5

P=2.5

Answer 2

Answer:

V=5V

I=500mA=500*10-³A

P=VI

=(5*500)*10-³

=(5*500)/1000

=2500/1000

=2.5V

That is your answer...

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