MDCAT Physics MCQ #108

MDCAT Physics MCQ #108

1. Question 1

   Q1. Why is a capacitor used in an AC power supply filter to smooth the output voltage?

   • A) To reduce the voltage
   • B) To increase the current
   • C) To filter out AC and allow DC to pass
   • D) To reduce the impedance

   Answer: To filter out AC and allow DC to pass

   Explanation: Capacitors filter AC, allowing DC to pass through.