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Magnetic Effects of Electric Current, Class 10 Chapter 13 Science Notes
Magnetic Effects of Electric Current, CBSE Class 10 Chapter 13 Science Notes are the best study materials. Here students can find in detail explanations for every terminologies provides in this chapter.
Introduction to Chapter 13 Magnetic Effects of Electric Current
The class 10 science chapter 13 focusses on magnetic fields and electromagnetic effects. How the magnetic effect of electric current is applied to electromagnets and electric motors are examined in the chapter.
Chapter Summary Video
Magnetic Field and Field Lines
A magnet is a material that produces a field that attracts or repels other such materials of magnetic nature.
Lodestone is a naturally occurring magnet. It attracts materials like Iron, Nickel, Cobalt, etc.
A magnet is always bipolar with poles named north and south poles. These two poles always exist together and can not be separated. North pole of a magnet is the side which points to Earth’s geographic north when it is freely suspended.
Similar to charges, poles attract and repel. Like poles repel while unlike poles attract each other.
To know more about Magnet, visit here.
A bar magnet is a rectangular object, composed of iron, steel or any form of a ferromagnetic substance, that shows permanent magnetic properties. It has two different poles, a north and a south pole such that when suspended freely, the north pole aligns itself towards the geographic north pole of the Earth.
The region around a magnet where its magnetic influence can be experienced is called a magnetic field. The direction and strength of a magnetic field are represented by magnetic lines of force.
For More Information On Magnetic Field and Magnet Field Lines, Watch The Below Video:
To know more about Magnetic Field, visit here.
Magnetic field lines
Magnet’s magnetic field lines result in the formation of continuous/running closed loops.
The tangent to the field line at any given point indicates the direction of the total magnetic field at that point.
The greater the number of field lines crossing per unit area, the higher the intensity, the stronger the magnitude of the magnetic field.
There is no intersection between the magnetic field lines.
Magnetic field lines for a closed loop
Since magnets have dipoles, magnetic field lines must originate and end. Therefore by convention, it starts at the north pole and moves towards the south pole outside the bar magnet and from south → north inside the magnet. Hence, it forms closed loops. The closer or denser the magnetic field lines, greater is the magnetic field’s strength.
Iron filings test around a bar magnet
Iron filings around a bar magnet exhibit the magnetic field lines that engirdle the bar magnet. The magnetic field lines can be explained as imaginary lines that graphically represents the magnetic field that is acting around any magnetic substance.
Magnetic field lines do not intersect as there will be two tangential magnetic field directions associated with the same point, which does not occur. If a compass needle is placed at that point, it will show two different directions of the magnetic field which is absurd.
To know more about Properties of Magnetic Field Lines, visit here.
Magnetic Field Due to a Current Carrying Conductor
When electric current flows through a current carrying conductor, it produces a magnetic field around it. This can be seen with the help of a magnetic needle which shows deflection. The more the current, the higher the deflection. If the direction of current is reversed, the direction of deflection is also reversed.
Electromagnetism and electromagnet
An electromagnet is an artificial magnet which produces a magnetic field on the passage of electric current through a conductor. This field disappears when the current is turned off. The phenomenon of producing or inducing a magnetic field due to the passage of electric current is called electromagnetism.
For More Information On Introduction to Electromagnetism, Watch The Below Video:
Magnetic Effects of Electric Current Class 10 Notes Science Chapter 13
CBSE Class 10 Science Notes Chapter 13 Magnetic Effects of Electric Current Pdf free download is part of Class 10 Science Notes for Quick Revision. Here we have given NCERT Class 10 Science Notes Chapter 13 Magnetic Effects of Electric Current.
Magnetic Effects of Electric Current Class 10 Notes Science Chapter 13
June 15, 2022 by Sastry CBSE
CBSE Class 10 Science Notes Chapter 13 Magnetic Effects of Electric Current Pdf free download is part of Class 10 Science Notes for Quick Revision. Here we have given NCERT Class 10 Science Notes Chapter 13 Magnetic Effects of Electric Current. According to new CBSE Exam Pattern, MCQ Questions for Class 10 Science pdf Carries 20 Marks.
CBSE Class 10 Science Notes Chapter 13 Magnetic Effects of Electric CurrentMagnet: Magnetic field and magnetic field lines, Magnetic field due to a current carrying conductor, Right hand thumb rule, Magnetic field due to current through a circular loop. Magnetic field due to current in a solenoid.
Magnet is an object that attracts objects made of iron, cobalt and nickle. Magnet comes to rest in North – South direction, when suspended freely.Use of Magnets: Magnets are used
in radio and stereo speakers.
in audio and video cassette players.
in children’s toys and;
on hard discs and floppies of computers.
Properties of Magnet
A free suspended magnet always points towards the north and south direction.
The pole of a magnet which points toward north direction is called north pole or north-seeking.
The pole of a magnet which points toward south direction is called south pole or south seeking.
Like poles of magnets repel each other while unlike poles of magnets attract each other.Magnetic field: The area around a magnet where a magnetic force is experienced is called the magnetic field. It is a quantity that has both direction and magnitude, (i.e., Vector quantity).
Magnetic field and field lines: The influence of force surrounding a magnet is called magnetic field. In the magnetic field, the force exerted by a magnet can be detected using a compass or any other magnet.
The magnetic field is represented by magnetic field lines.
The imaginary lines of magnetic field around a magnet are called field line or field line of magnet. When iron fillings are allowed to settle around a bar magnet, they get arranged in a pattern which mimicks the magnetic field lines. Field line of a magnet can also be detected using a compass. Magnetic field is a vector quantity, i.e. it has both direction and magnitude.Direction of field line: Outside the magnet, the direction of magnetic field line is taken from North pole to South Pole. Inside the magnet, the direction of magnetic field line is taken from South pole to North pole.Strength of magnetic field: The closeness of field lines shows the relative strength of magnetic field, i.e. closer lines show stronger magnetic field and vice – versa. Crowded field lines near the poles of magnet show more strength.
Properties of magnetic field lines
(i) They do not intersect each other.
(ii) It is taken by convention that magnetic field lines emerge from North pole and merge at the South pole. Inside the magnet, their direction is from South pole to North pole. Therefore magnetic field lines are closed curves.
Magnetic field lines due to current a current carrying straight conductor
A current carrying straight conductor has magnetic field in the form of concentric circles, around it. Magnetic field of current carrying straight conductor can be shown by magnetic field lines.
The direction of magnetic field through a current carrying conductor depends upon the direction of flow electric current.
Let a current carrying conductor be suspended vertically and the electric current is flowing from south to north. In this case, the direction of magnetic field will be anticlockwise. If the current is flowing from north to south, the direction of magnetic field will be clockwise.
The direction of magnetic field, in relation to direction of electric
current through a straight conductor can be depicted by using the Right Hand Thumb Rule. It is also known as Maxwell’s Corkscrew Rule.Right-Hand Thumb Rule: If a current carrying conductor is held by right hand, keeping the thumb straight and if the direction of electric current is in the direction of thumb, then the direction of wrapping of other fingers will show the direction of magnetic field.
Maxwell’s Corkscrew rule: As per Maxwell’s Corkscrew Rule, if the direction of forward movement of screw shows the direction of the current, then the direction of rotation of screw shows the direction of magnetic field.
Magnetic Effects of Electric Current Class 10 Notes CBSE Science Chapter 13 [PDF]
Download Magnetic Effects of Electric Current CBSE Class 10 Science Chapter 13 notes PDF for free. Secure good marks by referring NCERT Class 10 Magnetic Effects of Electric Current revision notes prepared by Vedantu experts.
Magnetic Effects of Electric Current Class 10 Notes CBSE Science Chapter 13 [Free PDF Download]
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Class 10 Science Chapter 13 Notes are provided by the academic experts of the Vedantu team, which can be downloaded at any time. The magnetic effects of Electric Current Notes are formulated in such a manner that they are extremely easy to understand for every student of Class 10. In case, if there is someone who is facing issues in grasping Chapter no. – 13 of Science then Physics Class 10 Magnetic Effects of Electric Current notes will help you get the detailed concepts and score higher marks in the final examination. Register Online for Class 10 Science tuition on Vedantu.com to score more marks in CBSE board examination. Vedantu is a platform that provides free CBSE Solutions (NCERT) and other study materials for students. Maths Students who are looking for the better solutions ,they can download Class 10 Maths NCERT Solutions to help you to revise complete syllabus and score more marks in your examinations.
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CBSE Class 10 Science Revision Notes Chapter-wise links
Check out the links given below to view and download the revision notes for the other chapters in CBSE Class 10 Science syllabus. Each of these has been developed by Vedantu’s expert teachers keeping in mind the important areas and the need of the students during revision time.
Chapter 1 - Chemical Reactions and Equations
Chapter 2 - Acids, Bases and Salts
Chapter 3 - Metals and Non-metals
Chapter 4 - Carbon and Its Compounds
Chapter 5 - Periodic Classification of Elements
Chapter 6 - Life Processes
Chapter 7 - Control and Coordination
Chapter 8 - How do Organisms Reproduce?
Chapter 10 - Light Reflection and Refraction
Chapter 11 - Human Eye and Colourful World
Chapter 12 - Electricity
Chapter 13 - Magnetic Effects of Electric Current
Chapter 14 - Sources of Energy