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The right-hand spiral rule is only a tiny part of physics, so why practice so many of these problems?If you have time, it is better to review the key knowledge to be tested in the high school entrance examination, as said on the first floor, but it should be changed to"Five-year high school entrance examination and three-year simulation"。
And I would like to ask if you don't understand this concept clearly:
It should be understood as: the spiral inlet is in the same direction as the palm.
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It's better to buy a "Five-Year College Entrance Examination Three-Year Simulation" to do it.
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Buy a reference book to look at, or go to a book network to check it1
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1. Different application scenarios:Electromagnetism.
, the right-hand rule mainly determines the direction independent of the force. If it's about force, it's all about the left-handed rule.
2. The derivation path is differentThe left-handed hand determines the direction of the force when it knows the magnetic field and the current. The right-hand hand determines the direction of the current when the magnetic field and the direction of motion are known.
Right-hand spiral rule precautions
1. The thumb points in the direction of the conductor's movement, not the magnetic field lines.
magnetic field) direction of motion. Just like when the motor starts, the rotor is not moving, in other words, the rotor guide is stationary, but there is a relative motion between the rotating magnetic field generated by the stator winding and the rotor guide bar.
According to the meaning of relative motion, the direction of motion of the stationary guide strip with respect to the rotating magnetic field is the opposite direction of the rotation of the magnetic field.
2. The four-finger pointing is the induced electromotive force.
direction, when the conductor is closed to the outer circuit, there will be an induced current.
And the direction of the induced current is consistent with the direction of the induced electromotive force. As we all know, the direction of electromotive force is opposite to the direction of voltage, so the direction of the induced current is the same as the direction of the induced electromotive force, which means that the direction of the induced current is opposite to the direction of the induced voltage.
The above content refers to the Encyclopedia - Right-handed Spiral Rule.
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It's not the same. First, the nature is different.
1. Right-hand spiral rule: the rule that expresses the relationship between the direction of the magnetic inductance line of the current and the magnetic field excited by the current.
2. The rule of the right hand: the right hand is flattened, so that the thumb is perpendicular to the other four fingers, and all of them are in the same plane as the palm.
Second, the application is different.
1. Right-hand spiral rule application: It can be used to find the direction of the cross product of two vectors. Because of this use, in physics, the right-hand spiral rule can be used whenever a cross product occurs.
2. Application of the right-hand rule: the rule that determines the direction of the induced current in the wire moving in the external magnetic field, also known as the motor rule. It is also the law for judging the relationship between the direction of the induced current, the direction of the conductor movement, and the direction of the magnetic field lines.
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Summary. The right-hand spiral rule is a definition used to describe the path of movement of an object in three-dimensional space. The spiral rule states that when an object rotates, its right hand should rotate in the positive direction in order to maintain a trajectory in the opposite direction.
In a nutshell, the right-hand spiral rule specifies that an object should rotate from the right-hand side, then turn 90 degrees forward, then 90 degrees to the right, then 90 degrees forward, then 90 degrees to the right, and so on.
The right-hand spiral rule is a definition used to describe the path of movement of an object in three-dimensional space. The spiral rule states that when an object rotates, its right hand should rotate in the positive direction in order to maintain a trajectory in the opposite direction. In a nutshell, the right-hand spiral rule specifies that an object should rotate from the right-hand side, then turn 90 degrees forward, then 90 degrees to the right, then 90 degrees forward, then 90 degrees to the right, and so on.
Can you add, I don't quite understand it.
Macroscopically, the right-hand spiral rule is a way to describe the shape of an object. The core principle is right-hand priority, i.e., starting from the front, twisting with the right hand in a certain direction, and then twisting it counterclockwise, so that it represents a circle. Kiss, do you need to know about physics?
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The right hand is the direction of the induced current generated by the wire cutting the magnetic inductance line, the thumb points to the direction of the wire movement, and the four-finger direction is the direction of the induced current.
The left-hand rule stipulates that the left hand is stretched so that the thumb is perpendicular to the four fingers, the palm of the hand is towards the n pole of the magnetic field, the direction of the four fingers is consistent with the direction of the current in the conductor, and the direction pointed by the thumb is the direction of the conductor in the magnetic field. (Both the Lorentz force and the ampere force are determined by the left-handed rule).
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The right-hand spiral rule is a way to define the movement of objects in space, which can be used to define the trajectory of objects in three-dimensional space. It refers to the fact that in a space, objects move in the manner of a right-hand rule. The right-hand rule here refers to:
When you place your right hand on an object and point it in the direction of the object's movement, the palm is pointing forward while the thumb is pointing upward. In this way, the object will move in a right-hand spiral fashion until it reaches any point in space. The right-hand spiral can be used to determine the trajectory of an object in space, or to determine the orientation of an object.
In addition, the right-hand spiral rule can also be used to define and describe the three-dimensional structure of an object in space.
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Summary. The right-hand spiral rule is a rule used to describe the relationship between electric current, magnetic field, and the direction of motion of an object. It is commonly applied in the fields of physics and engineering, especially in describing magnetic fields and motors.
The right-hand spiral rule is a rule used to describe the relationship between electric current, magnetic field, and the direction of motion of an object. It is commonly used in the field of physics and engineering, especially in the description of magnetic fields and motors.
The following is an application of the right-handed spiral height positive rotation rule: Describe the direction of the current: Hold your right hand tightly so that your thumb points in the direction of the current, and the direction of the other fingers is the direction of the magnetic field.
Describe the direction of electromagnetic induction: Hold your right hand tightly so that your thumb points in the direction of movement, and the direction in which the other fingers are pointing is the direction in which the electromotive force is induced. Describe the direction of the force:
Clench your right hand so that your thumb points in the direction of movement, and the direction of the other fingers is the direction of force. It should be noted that the right-hand spiral rule is only applicable to specific field pulse beam harmony problems, and if the occasion and problem are different, the appropriate rules and methods should be selected according to the specific situation.
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Ampere's rule, also known as the right-hand spiral rule, is a rule that expresses the relationship between the direction of the magnetic inductance line of the electric current and the magnetic field excited by the current. Ampere's rule in energized straight wire (Ampere's rule 1): Hold the energized straight wire with the right hand wheel and let the thumb point to the direction of the current in the straight wire, then the four fingers point to the direction of the magnetic field around the energized wire; Ampere's rule in energized solenoids (Ampere's rule II):
Hold the energized solenoid with your right hand and point your four fingers in the direction of the current, so that the rotten end of the thumb is the n pole of the energized solenoid. Note: Ampere's law and Ampere's law are two different things.
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Hello, the right-hand manuscript Sun Spiral Statute is a rule of bond chain in physics, which is used to describe the relationship between electric current, magnetic field and force. It is expressed as follows: when the right hand holds the direction of the current, the thumb and finger point to the direction of the current, and the direction of the four fingers is the direction of the magnetic field; When holding the wire with the right hand, the thumb points in the direction of the current, and the direction in which the four fingers are bent is the direction of the force.
This can help us quickly determine the direction of electric currents, magnetic fields, and forces, and is a very important concept in physics.
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