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 CBSE
Class 7 New
Electricity: Circuits and their components
Textbook Based Questions
7.
TBQ- Working of bulb and LED in circuits
Exercise condition:
2
m.
Answer the question below by analysing the circuit diagram below:
What do the two arrows in the LED symbol represent?
Direction of current flow
Direction of electrons
Emission of light
Direction of electric field
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!