The magnetic field inside a long straight solenoid-carrying current

  1. is zero.
  2. decreases as we move towards its end.
  3. increases as we move towards its end.
  4. is the same at all points.

 

Answer

is the same at all points.

 

Explanation -  Inside a solenoid, Field lines are parallel straight lines 

It means that magnetic field is same at all points inside the solenoid

magnetic-field-in-a-solenoid.jpg

  1. Class 10
  2. Chapter 13 Class 10 - Magnetic Effects of Electric Current (Term 2)

About the Author

CA Maninder Singh's photo - Founder at Teachoo
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo