Question

A Bulb is mark 60w and 12v calculate
the resistance?​

Answer 1

Answer:

2.4 ohms

Explanation:

P=60w

V=12v

P=VI

60=12I

I=5A

V=IR

R=V/I

R=12/5

R=2.4 ohms

Answer 2

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Power= 16w

potencial= 12v

$p = \frac{ {v}^{2} }{r } \\r = \frac{ {v}^{2} }{p} \\ r = \frac{ {12}^{2} }{60} \\ r = 2.4$

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