$8.$ In which situation is the dipole term the leading non$-$zero contribution to the potential?

A

B

C

$-$q

$-$q

$+$q

$+$q

$+$q

$+2$q

$+$q

$-$q

$+$q

$+2$q

$+$q

$=$ cos$($$)$

$+$Po

$+$q

D

E

A$)$ A and C

B$)$ B and D

C$)$ only E

D$)$ A and E

E$)$ Some other combo