A system has two charges, $q_A = 5 × 10^{-2} C$ and $q_B = -5 × 10^{-7}C$, located at points A: (0, 0, -10 cm) and B: (0, 0, +10 cm), respectively. Which of the following are true?

(A) the electric field of dipole at point (0, 0, -15 cm) is $1.73 × 10^6 NC^{-1}$
(B) Electric field intensity is zero at origin (0, 0, 0)
(C) dipole moment (p)= $5 × 10^{-8} C-m$
(D) direction of the dipole moment is along the negative z-axis

Choose the correct answer from the options given below:

(A) and (D) only

The correct answer is Option (1) → (A) and (D) only

(A) the electric field of dipole at point (0, 0, -15 cm) is $1.73 × 10^6 NC^{-1}$ (True)
(B) Electric field intensity is zero at origin (0, 0, 0) (False)
(C) dipole moment (p)= $5 × 10^{-8} C-m$ (False)
(D) direction of the dipole moment is along the negative z-axis (True)