MDCAT Physics MCQ #109

MDCAT Physics MCQ #109

1. Question 1

   Q1. What is the purpose of using a step-down transformer in an AC circuit?

   • A) To increase the voltage and decrease the current
   • B) To decrease the voltage and increase the current
   • C) To increase the current and decrease the resistance
   • D) To decrease the resistance and increase the impedance

   Answer: To decrease the voltage and increase the current

   Explanation: Step-down transformers reduce voltage and increase current.