True or False: A step up transformer can increase voltage levels.

A step-up transformer is specifically designed to increase voltage levels from the primary winding to the secondary winding. When alternating current flows through the primary coil, it creates a magnetic field that induces a higher voltage in the secondary coil, based on the turns ratio between the two coils. This means that if the secondary coil has more turns than the primary coil, the output voltage will be greater than the input voltage.

Step-up transformers are commonly used in applications where higher voltage is needed for efficient transmission of electricity over long distances, minimizing energy loss due to heat. This fundamental principle of electromagnetic induction is critical in power distribution systems. Thus, stating that a step-up transformer can increase voltage levels is accurate.