Physics
Grade-10
Easy
Question
Two solenoids P and Q are taken. The coil in solenoid P is wound over a cylindrical wooden core and the coil in solenoid Q is wound over a soft iron core.
In which solenoid is the magnetic field stronger?
- Solenoid P
- Solenoid Q
- Both Solenoid P and Q magnetic field will be the same
- Can’t say
Hint:
Soft iron core is ferromagnetic which possesses magnetic property and creates a magnetic field that becomes stronger as the iron.
Cylindrical wooden core acts as a non-conductor.
The correct answer is: Solenoid Q
The magnetic field in the solenoid Q is more as it is wound with an iron core.
- The solenoid creates a magnetic field that is stronger at the center.
- When the solenoid Q is wound over a soft iron core its magnetic field becomes stronger as the iron is ferromagnetic and possesses magnetic property which magnetizes with the solenoid.
- The magnetic field produced by the solenoid P that is wound with a wooden core is lesser than the iron combined solenoid.
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