Question

A bulb is rated 5.0 V ,100 mA . calculate its power and resistance

Answer 1

if you want to find resistance and power than you can do this . please mark me as BRAINLIEST if it's help you
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Answer 2

1000mA = 1A

So, 100mA = 100/1000 = 0.1A

Potential difference = 5V (given)  

Resistance = V/I = 5/0.1 = 50 Ohm

Power = I x I x R = 0.1 x 0.1 x 50 = 0.5 Watt.

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