Electronics: Does magnetic coupling cause common mode or differential noise in this case?

Electronics: Does magnetic coupling cause common mode or differential noise in this case?

Helpful? Please support me on Patreon: https://www.patreon.com/roelvandepaar

With thanks & praise to God, and with thanks to the many people who have made this project possible! | Content (except music & images) licensed under CC BY-SA https://meta.stackexchange.com/help/licensing | Music: https://www.bensound.com/licensing | Images: https://stocksnap.io/license & others | With thanks to user user1245 (electronics.stackexchange.com/users/134429), user Tony Stewart EE75 (electronics.stackexchange.com/users/17574), user The Photon (electronics.stackexchange.com/users/6334), user Andy aka (electronics.stackexchange.com/users/20218), and the Stack Exchange Network (electronics.stackexchange.com/questions/374431). Trademarks are property of their respective owners. Disclaimer: All information is provided "AS IS" without warranty of any kind. You are responsible for your own actions. Please contact me if anything is amiss at Roel D.OT VandePaar A.T gmail.com