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
Electric current and its effects
Textbook questions
38.
NCERT Exemplar XV
Exercise condition:
4
m.
Name two electric devices for each where,
(i) heating effect of current is used and
(ii) magnetic effect of current is used.
(i)
Heating effect of current is used in
electric bell
electric room heater
cranes
,
electric bell
geyser
magnetic toys
.
(ii)
Magnetic effect of current is used in
electric bell
electric room heater
geyser
,
cranes
geyser
electric cooker
.
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!