Compound Direct Current (DC) Circuits
AP Physics 2 · Flashcards · Application
AP PHYSICS 2 · FLASHCARDS
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QUESTION
Find power dissipated in a resistor if
I
=
4
A
I = 4 \text{A}
I
=
4
A
and
R
=
2
Ω
R = 2 \text{Ω}
R
=
2
Ω
.
QUESTION
Calculate total resistance for
R
1
=
3
Ω
R_1 = 3 \text{Ω}
R
1
=
3
Ω
and
R
2
=
6
Ω
R_2 = 6 \text{Ω}
R
2
=
6
Ω
in parallel.
QUESTION
Find voltage if
I
=
3
A
I = 3 \text{A}
I
=
3
A
and
R
=
5
Ω
R = 5 \text{Ω}
R
=
5
Ω
.
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ANSWER
V
=
15
V
V = 15 \text{V}
V
=
15
V
. Apply Ohm's law:
V
=
3
×
5
=
15
V = 3 \times 5 = 15
V
=
3
×
5
=
15
.
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