Test Index
ICSE Class 10 Physics 2019 Paper
Show Para
The diagram below shows a magnetic needle kept just below the conductor which is kept in North South direction. 
© examsnet.com
Question : 72 of 74
Marks:
+1,
-0
Why is the deflection produced?
Solution:
On passing current in the wire, a magnetic field is produced around it and the magnetic needle experience a torque in this magnetic field, so it deflects to align itself in the direction of magnetic field at that point.
© examsnet.com
Go to Question: