Charge is located at the point and charge is at

PHYSICS · Single correct · CBSE · Physics · Electric Charges and Fields · Electric Charges and Fields

Problem

Charge

q_1 = +2\,\mu\text{C}

is located at the point

(1,1,0)\,\text{m}

and charge

q_2 = -5\,\mu\text{C}

is at

(4,5,0)\,\text{m}

. Which of the following is the unit vector that correctly specifies the direction of the force

\mathbf F_{21}

(force on

q_2

due to

q_1

)? (a)

-0.8\,\hat i-0.6\,\hat j

(b)

0.6\,\hat i+0.8\,\hat j

(c)

-0.6\,\hat i-0.8\,\hat j

(d)

-3\,\hat i-4\,\hat j