Cracking the SAT Physics Subject Test

9. How much work would the electric field (created by the stationary charge
   Q) perform as a charge q s moved from point B to A along the curved path
   shown? (VA = 200 V, VB = 100 V, q = −0.05 C, length of line segment AB = 10

cm, length of curved path = 20 cm.)

(A) 0 J

(B) 5 J

(C) 10 J

(D) 15 J

(E) 20 J