Consider the following relation for the torsional stiffness $$(K_T)$$
(1) $$k_T=\frac{T}{\theta}$$
(2) $$k_T=\frac{GJ}{L}$$
(3) $$k_T=\frac{G\theta}{L}$$
Which of the following option is correct.

A

(1), (2) and (3)

B

Only (1) and (3)

C

Only (1) and (2)

D

Only (2) and (3)