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a bar magnet
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∙ 13y ago
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What does the Earths magnetic field resemble?
That of bar magnet..
What shape of a permanent magnet corresponds to the magnetic field formed by a solenoid?
The magnetic field produced by electric current in a solenoid coil is similar to that of a bar magnet.
How does a solenoid act as a magnet?
When current is passed through a solenoid coil, magnetic field produced due to each turn of solenoid coil is in the same direction. As a result the resultant magnetic field is very strong and uniform. The field lines inside the solenoid are in the form of parallel straight lines along the axis of solenoid. Thus, the solenoid behaves like a bar magnet.
Which factors affect the magnetic strength of a solenoid which is carrying an electric current?
Factors affecting the magnetic field strength of a solenoid are: - length of the solenoid - diameter of the solenoid - current through the coil around the solenoid - number of turns of the coil of current around the solenoid, usually turns of wire - material in the core
Pattern of field lines due to solenoid carrying electric current?
From my text book: You'll see that inside a solenoid the magnetic field is etremely strong, this can be used to magnetise objects. The field around it is exactly the same as the field around a bar magnet. Concentrated inside the solenoid and gradually getting more spaced out the further away
What does a magnet field in a solenoid resemble?
a bar magnet
Why is the deflection in the galvanometer reversed when the magnet is moved in and out in a solenoid?
When the magnet is moved into the solenoid, the change in magnetic field induces an electric current in the solenoid. This induced current then creates a magnetic field that opposes the initial magnetic field created by the permanent magnet. This opposing magnetic field causes the galvanometer deflection to be reversed.
What does the Earths magnetic field resemble?
That of bar magnet..
What shape of a permanent magnet corresponds to the magnetic field formed by a solenoid?
The magnetic field produced by electric current in a solenoid coil is similar to that of a bar magnet.
The magnetic field B inside a long solenoid is independent of?
The magnetic field B inside a long solenoid is independent of the distance from the center of the solenoid. It is also independent of the material inside the solenoid and the current passing through it.
How an unmagnetized metal core is magnetized when it is inserted in a solenoid to make an electromagnet?
When an unmagnetized metal core is inserted into a solenoid carrying a current, the magnetic field produced by the current aligns the magnetic domains within the metal core in the same direction, magnetizing the core. This alignment of magnetic domains results in the metal core becoming magnetized and increasing the strength of the magnetic field produced by the solenoid.
Will increasing the number of loops in a solenoid cause the strength of its magnetic field to decrease?
No, increasing the number of loops in a solenoid will actually increase the strength of its magnetic field. This is because more loops increase the amount of current flowing through the coil, which in turn increases the magnetic field produced.
What is the main difference between a relay and a solenoid?
A relay is a switch - a solenoid produces a magnetic field.
Can a planet have a quadrupole magnetic field?
Yes - several planets have magnetic fields that do not even vaguely resemble Earth's current field.
Which has a stronger magnetic field a solenoid or a electromagnet?
An electromagnet typically has a stronger magnetic field than a solenoid. This is because an electromagnet uses a ferromagnetic core, such as iron, to enhance its magnetic strength, while a solenoid is simply a coil of wire without a core.
What is the effect of putting a ferromagnetic material inside the coil of a solenoid?
Inserting a ferromagnetic material inside the coil of a solenoid increases the strength of the magnetic field produced. This is because the material becomes magnetized by the solenoid's field, reinforcing and concentrating the magnetic field lines. This can be useful in applications such as electromagnets or transformers to increase efficiency and strength.
The magnetic field around a solenoid has a configuration similar to the field of a long straight wire?
no
