Question

7. When the switch is ON
on a solenoid.

a) Find out the polarity in A and B.
b) Which are the ways to increase magnetic strength.​

Answer 1

Pls send picture too for part a)

a) A will be North if connect to + and B South polarity and vice versa . For example if this is ur figure then A is North and B is South polarity and vice versa note the charge + and -.

1. b) increasing the number of turns on the coil.
2. increasing the current.

Bol for boards

Hope helps

hope u and your family members are safe , happy and healthy