A Point Charge Of $- 3.5$ NC Is Placed at the Origin

Multiple Choice

A point charge of $- 3.5$ nC is placed at the origin. The electric field at the location $x = - 0.3$ m, $y = - 0.5$ m is

A) $E = - 47.7 \hat { x } - 79.4 \hat { y }$ N/C.
B) $E = - 47.7 \hat { x } + 79.4 \hat { y }$ N/C.
C) $E = 47.7 \hat { x } - 79.4 \hat { y }$ N/C.
D) $E = 47.7 \hat { x } + 79.4 \hat { y }$ N/C.