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## Class 10 Physics (India)

### Unit 4: Lesson 3

Magnetic field due to current carrying loops and solenoids

# Magnetic field due to a current-carrying solenoid

## Problem

The loops of current around a solenoid are symbolically shown below.
start color #6495ed, \bigodot, end color #6495ed: out of the screen; start color #6495ed, \bigotimes, end color #6495ed: into the screen.
How do the magnetic field lines look inside the solenoid?