Three charges lie at the vertices of an equilateral triangle as shows. All three

Question

Three charges lie at the vertices of an equilateral triangle as shows. All three charges have the same magnitude. The net electric force on charge 1 due to the other two charges is in a. the +x direction. b. The -x direction. c. the +y direction. d. the +y direction. d. none of the above. Three point charges lie on a straight line. The distance between two adjacent is adjacent charges is d. Charges q_1 and q_2 are fixed in place, charge 3 can move, but it happens to be at equilibrium at the position as shown in the figure. The ratio of q_1/q_2 is: a) 1 b) -4 c) -2 d) 4 e) 2

Explanation / Answer

Q1.

E = sqrt(Ex^2 + Ey^2)

Ex^2 = 0

So,
E = sqrt(E^2)
= Ey

Ey = E1y + E2y

E1y = E2y = kq/a^2 * sin60

So,
|E| = 2kq/a^2 *sin60
which is +y direction.

So, option c.

Pls post other question separately.

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.