Investigate Current and Magnetic Fields
Physics · Flashcards · Application
PHYSICS · FLASHCARDS
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QUESTION
Find the force on a charge
q
=
2.0
×
10
−
6
C
q=2.0\times10^{-6}\ \text{C}
q
=
2.0
×
1
0
−
6
C
moving at
v
=
3.0
×
10
5
m/s
v=3.0\times10^{5}\ \text{m/s}
v
=
3.0
×
1
0
5
m/s
in
B
=
0.20
T
B=0.20\ \text{T}
B
=
0.20
T
at
90
∘
90^\circ
9
0
∘
.
QUESTION
Identify the direction of
B
⃗
\vec{B}
B
at a point above a wire with current into the page.
QUESTION
Find the force on a
0.50
m
0.50\ \text{m}
0.50
m
wire carrying
I
=
4.0
A
I=4.0\ \text{A}
I
=
4.0
A
in
B
=
0.30
T
B=0.30\ \text{T}
B
=
0.30
T
at
90
∘
90^\circ
9
0
∘
.
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ANSWER
F
=
0.60
N
F=0.60\ \text{N}
F
=
0.60
N
. Using
F
=
B
I
L
sin
90
°
=
0.30
×
4.0
×
0.50
×
1
F=BIL\sin 90°=0.30×4.0×0.50×1
F
=
B
I
L
sin
90°
=
0.30
×
4.0
×
0.50
×
1
.
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