E3T.8 Consider a region of space where the electric field is uniform with magnitude │E W │ , as shown below. A B C h E w

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E3T.8 Consider a region of space where the electric field
is
uniform with magnitude │E W │ , as shown below.
A
B
C
h
E
w
What is the value of the specified potential difference in
each case?
(a) ϕB - ϕA?
(b) ϕC - ϕB?
(c) ϕA - ϕC?
Select your responses from the following choices:
A. +│E W │ h
B. -│E W │ h
C. +│E W │ w
D. -│E W │w
E. +│E W │ 
_______
h2 + w2
F. -│E W │ 
_______
h2 + w2
T. zero