For a wing of aspect ratio $A R$, having an elliptical lift distribution, the induced drag coefficient is (where $C_{L}$ is the lift coefficient)
(A) $\frac{C_{L}}{\pi A R}$
(B) $\frac{C_{L}^{2}}{\pi A R}$
(C) $\frac{C_{L}}{2 \pi A R}$
(D) $\frac{C_{L}^{2}}{\pi A R^{2}}$

Question ID - 156071 | SaraNextGen Top Answer

For a wing of aspect ratio $A R$, having an elliptical lift distribution, the induced drag coefficient is (where $C_{L}$ is the lift coefficient)
(A) $\frac{C_{L}}{\pi A R}$
(B) $\frac{C_{L}^{2}}{\pi A R}$
(C) $\frac{C_{L}}{2 \pi A R}$
(D) $\frac{C_{L}^{2}}{\pi A R^{2}}$