Test Index
ICSE Class 10 Physics 2018 Paper
Show Para
The diagram shows a coil wound around a shape soft iron bar . 
© examsnet.com
Question : 70 of 78
Marks:
+1,
-0
Suggest one way to strengthen the magnetic field in the electromagnet.
Solution:
The magnetic field of the electromagnet can be increased - (1) By increasing the number of turns of winding in the solenoid. (2) By increasing the current through the solenoid.
© examsnet.com
Go to Question: