A 36-year-old scientist is studying the phenomenon of electromagnetic induction. What is the main disadvantage of using a rotating coil?
Q1. A 36-year-old scientist is studying the phenomenon of electromagnetic induction. What is the main disadvantage of using a rotating coil?
Answer: High maintenance
Explanation: The main disadvantage of using a rotating coil is high maintenance, as the rotating parts require regular maintenance. Low efficiency is not a characteristic of rotating coils, high power output is not guaranteed, and no moving parts is the opposite of a rotating coil.