Final answer:
Rotating anodes in X-ray machines allow for higher tube currents and shorter exposure times, leading to quicker imaging and less anode damage due to better heat distribution.
Step-by-step explanation:
The student's question pertains to the benefits of a rotating anode in the context of X-ray production, specifically within a cathode ray tube (CRT). The rotating anode allows for higher tube currents and shorter exposure times. In X-ray machines, energetic electrons strike the anode material generating X-rays. When the anode rotates, it helps dissipate heat more effectively than a stationary anode, allowing for higher currents and shorter bursts of X-rays without damaging the anode. This is particularly important for producing clear images in medical imaging and industrial applications where quick imaging is required.