A 15 v source is connected across a 12 ohm resistor. How much energy is used in three minutes? *
Answers
Answered by
5
p =Iv
p= 12×15=180
time= 3 min..it means 180seconds
therefore E=p×t
=180×180
=32,400 Joule is used
p= 12×15=180
time= 3 min..it means 180seconds
therefore E=p×t
=180×180
=32,400 Joule is used
Answered by
1
Answer:
P = VI (I = V/R)
So, P = V x (V/R)
P = (15) x (15/12)
P = 18.75 W
E = P x t
E = 18.75 x 3 x 60
E = 3375 J
Explanation:
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