this is my first post
7.B. Neglecting VBE, IB = 10 / 100 = 0.1 A.
IC = 100 × 0.1 = 10 A. Drop over RL = 10 v.
Hence, VCE = 0 which is the condition for saturation.
Where Rr is radiation resistance and Rd is the total loss resistance of the antenna.