Login
Login
Sign up
Start
Mathmania
Teacher tutorials
TOP
Subjects
Bridge Course
Testworks
Subject updates
Ya+
News
Send feedback
See more
Contacts
About Us
Terms and Conditions
Privacy Policy
PDF chapter test
TRY NOW
Subjects
Science State Board
Class 9
Magnetism and electromagnetism
The properties, effects and applications
11.
Electromagnetic induction and device works on electromagnetic induction
Exercise condition:
4
m.
Read the question carefully and choose the best option
:
1.
The split-ring type commutators used in generators to convert__________.
AC to DC
DC to AC
emf
None of the above
2.
The direction of induced current can be obtained by__________.
lenz's law
fleming's left-hand rule
right-hand thumb rule
faraday's law
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!