Electric Power
AP Physics 2 · Flashcards · Application
AP PHYSICS 2 · FLASHCARDS
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QUESTION
What is the power dissipation if
V
=
10
V
V = 10 \, V
V
=
10
V
and
R
=
5
Ω
R = 5 \, \text{Ω}
R
=
5
Ω
?
QUESTION
Convert
10
kW
10 \, \text{kW}
10
kW
to watts.
QUESTION
Calculate the power if
V
=
12
V
V = 12 \, V
V
=
12
V
and
I
=
0.5
A
I = 0.5 \, A
I
=
0.5
A
.
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ANSWER
P
=
6
W
P = 6 \, W
P
=
6
W
. Using
P
=
V
I
=
12
×
0.5
=
6
P = VI = 12 \times 0.5 = 6
P
=
V
I
=
12
×
0.5
=
6
W.
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