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The movable iron bar in a relay is called a what?
A relay is made up of a coil with an iron core and a movable iron bar. The movable iron bar in a relay is called a switch.
What material should you use for an electromagnet?
Soft iron core
What is the role of the soft iron core?
In a moving coil galvanometer, soft iron core intensifies the magnetic field through it. this causes maximum number of magnetic field lines to pass through the coil.
What types of magnets are produced by running current through a soft iron core?
electromagnets
Why does the soft iron core increases the strength of magnetic field?
Iron core (usually soft iron core) is a highly ferromagnetic material. Ferromagnetic materials allows (and attracts) the magnetic field lines to pass through it. When such a material is used in the electromagnet, the magnetic field lines passing through it increases, thereby, the strength of the electromagnet increases. So my friend, I hope you are satisfied with the answer.
Why is a soft iron core used in a relay coil?
because it can magnetize and demagnetize easily
A what consists of a coil with an iron core and a movable iron bar?
A relay.
What consists of a coil with an iron core and a moveable iron bar?
A relay.
If a soft iron core is Inserted into a solenoid will the strength of magnetic field produced by it change?
It has been found that if a soft iron rod called core is placed inside a solenoid, then the strength of the magnetic field becomes very large because the iron core is magnetized by induction The core of the electromagnet must be of soft iron because soft iron loses all of its magnetism when current in the coil is switched off or stopped
The movable iron bar in a relay is called a what?
A relay is made up of a coil with an iron core and a movable iron bar. The movable iron bar in a relay is called a switch.
Would a wooden core work to make a stronger magnet?
No, the core has to be a soft iron core.
What material should you use for an electromagnet?
Soft iron core
What is the role of the soft iron core?
In a moving coil galvanometer, soft iron core intensifies the magnetic field through it. this causes maximum number of magnetic field lines to pass through the coil.
Why air coil with soft iron core inductance is greater then air coil laminated steel core?
Soft iron has a greater permeability than steel. BTW, the only reason for laminations is to reduce eddy currents in the core. It has no effect on permeability or inductance.
Why is soft iron named as soft iron?
Soft iron does not retain magnetism. It can be magnetised and demagnetised quickly and easily. Used as a core for transformers. 'Soft' probably relates to it's submission, when exposed to magnetism. It 'gives in' without too much fuss.
Electromagnetic-induction device usually has which of the following materials in its core?
soft iron
Inserting a soft iron core into a coil has what effect on the inductance of a coil?
increase inductance
