dbethel5455 dbethel5455

22-08-2019
Physics

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A car radio draws 0.18 A of current in the autos 12-V electrical system. (a) How much electric power does the radio use?
(b) What is the effective resistance of the radio?

Respuesta :

24-08-2019

Answer:

Explanation:

a) Electric Power = V X I , where V is potential difference and I is current

= 12 x .18 =2.16 Watt .

b) Resistance = volt / current ( ohm's Law )

Resistance = 12/0.18 = 66.67 ohm.

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