Technician #1 says that an open transformer coil is indicated by a reading of infinity on an analog ohmmeter. Technician #2 says that a shorted transformer coil is indicated by a reading of infinity on an analog ohmmeter. Which technician is correct?

An open transformer coil results in an infinite resistance reading when measured with an analog ohmmeter. This indicates that there is a break in the coil, preventing current from flowing. This reading signifies an open circuit, which is exactly what Technician #1 describes.

On the other hand, a shorted transformer coil is actually characterized by a very low resistance reading, close to zero. This is because the windings of the coil have become connected to each other in such a way that current can flow freely, rather than being interrupted by an open circuit. Therefore, the assertion made by Technician #2 that a shorted coil would also show infinity is incorrect.

Thus, Technician #1's statement is accurate regarding the nature of an open transformer coil, which is why that answer is the correct choice.