G5C02:What is the output voltage if an input signal is applied to the secondary winding of a 4:1 voltage step-down transformer instead of the primary winding?
Direct answer summary (2023-2027 NCVEC pool)
The official correct answer for G5C02 is The input voltage is multiplied by 4.
The key fact is The input voltage is multiplied by 4. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.