1.

A torch bulb iscrated 5v and 500 ma calculate power of bulb and resistance of bulb

Answer»

Hey MATE ^_^

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Answer:
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Given :

POTENTIAL difference = 5V

Current = 500mA = 500x / 1000A = 0.5A

i) Power of BULB = V × I

= 5 × 0.5

= 5 x 5/10

= 2.5 W

ii) Resistance = R = ?

By Ohm's law: V = IR

R = V/I

R = 5/0.5 

= 50/5

= 10 Ω

#Be Brainly❤️



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