WBCS.LIVE practice question

Which quantity is increased in a step-down transformer?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Voltage
  2. Wattage
  3. Frequency
  4. Current

Correct answer and explanation

Correct answer: Current

Explanation: āœ… Correct Answer: D) Current šŸ“š Explanation: A step-down transformer lowers the voltage from the primary to the secondary winding. To conserve power (Power = Voltage Ɨ Current), the current must proportionally increase on the secondary side. Frequency remains completely constant throughout the process.