Shopping Cart

No products in the cart.

Back to Course

SS3: PHYSICS - 2ND TERM

0% Complete
0/0 Steps
  1. Magnetic Field
    10 Topics
    |
    1 Quiz
  2. Magnetic Field
    5 Topics
    |
    1 Quiz
  3. Electromagnetic Field
    4 Topics
    |
    1 Quiz
  4. Electromagnetic Induction
    7 Topics
    |
    1 Quiz
  5. The Transformer
    5 Topics
    |
    1 Quiz
  6. Simple A.C Circuit
    11 Topics
    |
    1 Quiz
  7. Models of the Atom
    2 Topics
    |
    1 Quiz
  8. Radioactivity
    3 Topics
    |
    1 Quiz
  9. Half Life
    8 Topics
    |
    1 Quiz
  10. Energy Quantization
    5 Topics
    |
    1 Quiz
  11. Photoelectric Effect
    6 Topics
    |
    1 Quiz
  12. Wave Particle Paradox
    6 Topics
    |
    1 Quiz

Quizzes

  • excellence
SS3: PHYSICS – 2ND TERM Electromagnetic Field Causes of Inefficiency in Electric Motors
Lesson 3, Topic 3
In Progress

Causes of Inefficiency in Electric Motors

Lesson Progress
0% Complete

Topic Content:

  • Causes of Inefficiency in Electric Motors
  1. Work done against friction in the bearings and commutator.
  2. Eddy currents formed in the soft iron cylinder. This can be reduced by laminating the cylinder.
  3. Heat losses (I2 R) in the windings.  
🔒 KOFA STUDY
🔒

Unlock This Topic

This topic is available to course subscribers.

Subscribe to continue this course.

Unlock This Topic
  • 📚 Continue this topic
  • 📝 Attempt quizzes
  • 📈 Track your learning progress
  • 🪙 Earn KofaCoins
🚀 Unlock every topic, quiz and Kofa Arcade challenge in this course.

Like this content

Subscribe
Notify of
guest
0 Comments
Oldest
Newest
Inline Feedbacks
View all comments
0
Would love your thoughts, please comment.x
()
x
×
×

Report

Harassment or bullying behavior
Contains mature or sensitive content
Contains misleading or false information
Contains abusive or derogatory content
Contains spam, fake content or potential malware

Block Member?

Please confirm you want to block this member.

You will no longer be able to:

  • See blocked member's posts
  • Mention this member in posts
  • Invite this member to groups
  • Message this member
  • Add this member as a connection

Please note: This action will also remove this member from your connections and send a report to the site admin. Please allow a few minutes for this process to complete.

Report

You have already reported this .