Back emf is a situation called self inductance and occurs in electrical motors. It results in power loss that is unavoidable, since it is a result of physics principles.
This video covers the basic of why it occurs.

This vide Really like this video?
Support by buying me a coffee ☕ www.buymeacoffee.com/physicshigh
Subscribe    / physicshigh  

LIKE and SHARE with your peers. And please add a COMMENT to let me know I have helped you.

Support my work either regularly at Patreon: www.patreon.com/Physicshigh
OR
a one off payment at PayPal: [email protected]

Physics High is committed to producing content that teaches physics concepts at a level a high schooler can understand.
See www.physicshigh.com for all my videos and other resources.

Social

Follow me on
facebook: @physicshigh
twitter: @physicshigh
Instagram: @physicshigh

thumbnail image : By S.J. de Waard Own work, CC BYSA 3.0, https://commons.wikimedia.org/w/index...
#highschoolphysicsexplained #physicshigh