Question

Mention 2 ways to increase the strength of the field of solenoid

Answer 1

The 2 ways to increase the strength of the magnetic field in solenoid are as follows :

1) By Increasing the number of turns in the solenoid .

2) By increasing the amount of current in the coil .

➡ The solenoid is made by winding a wire around a soft piece of iron and passing electricity through the wire .

➡ The solenoid shows similarities with bar magnet .

➡ The solenoid has magnetic field lines which do not intersect .

➡ It has attractive property just like the bar magnet .

➡ The strength and polarity of the magnetic field lines can be changed .

➡ This cannot be done in bar magnet .

Answer 2

Answer:

• by increasing the number of coils in a solenoid
• by increasing the amount of current
• by placing a soft iron bar inside the solenoid

hope it helps you!!....