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Gravitational fields are always attractive, meaning they only exist in the direction of pulling objects closer together. Magnetic fields can exist in any direction in space, while electric fields can exist in a specified direction due to the sign of the charge producing it.
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Are there any chemical reactions that can be affected by magnetic or electric fields?
Yes, several chemical reactions are affected by magnetic or electric fields.
Write a short notes on magnetic field?
A magnetic field is an invisible force field generated by moving electric charges, such as electrons. It exerts a force on other moving charges and magnetic materials. Magnetic fields are represented by field lines that show the direction and strength of the field. They are characterized by their direction, intensity, and polarity.
Why photon show both electric and magnatic field?
Protons are positively charged that's why they show electric field while magnetic field develops when electric field is in either direction so protons develops magnetic fields also.
What do electric and magnetic fields contain and transport?
Electric and magnetic fields contain energy and information. They transport this energy and information through space. In the case of electric fields, they are generated by stationary electric charges and transport energy and information by interacting with other charges. Magnetic fields, on the other hand, are generated by moving charges or changing electric fields and also transport energy and information through their interactions with other magnetic fields or moving charges.
How electromagnetic waves get their name?
Electromagnetic waves get their name because they are composed of oscillating electric and magnetic fields that propagate through space. These waves are characterized by their dual nature, with electric and magnetic components perpendicular to each other and to the direction of propagation.
Do electric or magnetic fields point away from positive charges?
Electric fields point away from positive charges, while magnetic fields do not have a specific direction with respect to positive charges.
Can electromagnetic wave deflect by electric or magnetic field?
Yes, electromagnetic waves can be deflected by electric or magnetic fields. The direction and magnitude of the deflection depend on the orientation and strength of the field relative to the direction of the wave propagation. This phenomenon is the basis for technologies such as antennas and magnetic resonance imaging (MRI).
The operation of an electric motor depends on?
The operation of an electric motor depends on the interaction of magnetic fields, passing of electric current through coils of wire (armature), and the resulting electromagnetic forces that cause the motor to rotate. The direction of the current and the arrangement of the magnetic fields determine the direction of the rotation, while the flow of current and the strength of the magnetic fields dictate the speed and torque of the motor.
What is the difference between Transverse Electrical mode and Transverse Electrical Magnetic mode?
Transverse modes are classified into different types:TE modes (Transverse Electric) no electric field in the direction of propagation.TM modes (Transverse Magnetic) no magnetic field in the direction of propagation.TEM modes (Transverse Electromagnetic) no electric nor magnetic field in the direction of propagation.Hybrid modes nonzero electric and magnetic fields in the direction of propagation.
How are moving electric charges related to electric and magnetic fields?
Moving electric charges create both electric and magnetic fields. The electric field is produced by the charge itself, while the magnetic field is generated by the motion of the charge. When a charged particle moves, it creates a magnetic field around it perpendicular to its direction of motion, as described by the right-hand rule.
Which statement gives the relationship between the waves in the electric and magnetic fields in an electromagnetic wave?
In an electromagnetic wave, the electric and magnetic fields are perpendicular to each other and oscillate in phase. This means that when the electric field reaches its maximum strength in one direction, the magnetic field will also reach its maximum strength but in a direction perpendicular to the electric field.
As an electromagnetic wave travels its energy is carried through?
the oscillating electric and magnetic fields. These fields are perpendicular to each other and to the direction of the wave's propagation. Energy is transferred as the fields interact with charged particles in the medium through which the wave is traveling.
What type of wave is EM radiation?
Electromagnetic radiation consists of waves that are composed of oscillating electric and magnetic fields and do not require a medium to propagate. This type of wave is considered a transverse wave, with electric and magnetic fields perpendicular to the direction of propagation.
Do light waves oscillate?
Yes, light waves oscillate as they travel through space. These oscillations are in the form of electric and magnetic fields that are perpendicular to each other and to the direction of wave propagation.
How are changing electric and magnetic fields related?
Changing electric fields create magnetic fields, and changing magnetic fields create electric fields. This relationship is described by Maxwell's equations. The two fields are interdependent and can propagate through space as electromagnetic waves.
Which form of energy does not require matter for traveling through space?
Electromagnetic radiation. Energy can also be transmitted by electric fields, by magnetic fields, and by gravitation.Electromagnetic radiation. Energy can also be transmitted by electric fields, by magnetic fields, and by gravitation.Electromagnetic radiation. Energy can also be transmitted by electric fields, by magnetic fields, and by gravitation.Electromagnetic radiation. Energy can also be transmitted by electric fields, by magnetic fields, and by gravitation.
The strength of electric and magnetic fields remains constant as you move away from the source of the electric and magnetic fields?
yes
