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Physics
Physics
Problem
State the correct relation between the work
W
A
B
W_{AB}
W
A
B
done in moving a test charge
q
q
q
from point
A
A
A
to point
B
B
B
and the potentials
V
A
V_A
V
A
and
V
B
V_B
V
B
. a)
W
A
B
=
q
(
V
B
−
V
A
)
W_{AB}=q\bigl(V_B-V_A\bigr)
W
A
B
=
q
(
V
B
−
V
A
)
b)
W
A
B
=
q
(
V
A
+
V
B
)
W_{AB}=q\bigl(V_A+V_B\bigr)
W
A
B
=
q
(
V
A
+
V
B
)
c)
W
A
B
=
q
(
V
A
−
V
B
)
W_{AB}=q\bigl(V_A-V_B\bigr)
W
A
B
=
q
(
V
A
−
V
B
)
d)
W
A
B
=
q
V
B
W_{AB}=q\,V_B
W
A
B
=
q
V
B
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