A 12-V car battery supported a current of 150 mA to bulb calculate the power absorbed by the bulb over an interval of 20 mintues?
Answers
Answered by
1
Answer:
i dont know sorry
Explanation:
e? bugg
Answered by
2
Explanation:
Given:
V= 12V
I = 150 mA = 0.15A
t = 20 minutes = 1200 s
R = V/I
= 12/0.15
= 80 ohms
Power = V^2 / R
= 144/80
= 1.8W
The energy absorbed by the bulb
= power x time
= 1.8 x 1200
= 2160J
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