Xam Idea Class 10 Science Chapter 13 Solutions: Magnetic Effects Of Electric Current
Xam Idea Class 10 Science Solutions for Chapter 13 – Magnetic effect Of Electric Current is one of the most important study resources for CBSE Class 10 Science exams. These solutions will surely help you in getting good marks by making you understand all the concepts of the chapter thoroughly. All the Xam Idea Class 10 Science Solutions for Chapter 13 – Magnetic effect Of Electric Current are designed as per the latest guidelines prescribed by CBSE. All the exercise questions of Xam Idea Class 10 Science book are presented stepwise in our solutions.
Xam Idea Class 10 Science Solutions for Chapter 13 – Magnetic effect Of Electric Current cover all the topics of the chapter in detail. This includes the concept of magnets, the magnetic field in straight conductor, circular loop, solenoid, Fleming’s left hand and right-hand rule, electromagnetic induction, motor and generator. All the solutions are concise and can be remembered easily.
The exercise section of Xam Idea Class 10 Science Chapter 13 – Magnetic effect Of Electric Current is divided into 4 parts which contain a variety of questions as per the latest CBSE exam pattern. There are Higher-Order Thinking Questions, very short answer type questions, short answer type questions and long answer type questions included in the exercise.
Important Topics Of Xam Idea Class 10 Science solutions Chapter 13 Magnetic Effect of Electric Current
The chapter elaborates with an introduction to magnets and magnetic field and also includes topics like magnetic field lines and their properties, magnetic field due to a current-carrying straight conductor, right-hand thumb rule, current carrying circular loop and solenoid and the force acting on a current-carrying conductor in a magnetic field.
You will also learn Fleming’s left-hand rule, electric motor (construction and it’s working), electromagnetic induction, fleming’s right-hand rule, electric generator(construction and working) and domestic electric circuits.
- The term attractive impact of electric flow implies that an electric flow streaming in a wire creates an attractive field around it.
- It means electric current can produce magnetism.
- A magnet is an item which draws in bits of iron, steel, nickel and cobalt. the magnet has two poles north and south.
- Unlike poles repel each other and similar poles attract each other.
- The space encompassing a magnet in which attractive power is applied is called an attractive field. A magnetic field is described by drawing magnetic field lines.
- Attractive field lines begin from the north shaft and end at the south post.
- They come more like each other close to the posts of magnet yet they are isolated at different spots.
- The attractive field lines never cross each other in light of the fact that the resultant power on a north shaft anytime can be just one way. Be that as it may, in the event that two attractive field lines meet, at that point the subsequent power on a north shaft set at the purpose of convergence will be along with two bearings, which is unimaginable.
- Inside a magnet, the direction is south to north and outside the magnet, the direction is north to south.
- Crowded magnetic field lines indicate stronger magnetic fields.
Magnetic Field Patterns Produced By Current-Carrying Conductors having Different Shapes
Straight Conductor: The Magnetic Field Lines around a straight conductor are concentric circles.At the point when the current in the wire streams an upward way then the lines of the attractive field are an anticlockwise way. If the direction of current is reversed then the direction of current is reversed, the direction of magnetic field lines is also reversed. Consequently, the attractive field delivered by a straight conduit is straightforwardly corresponding to the present going in the wire and contrarily relative to the separation of that point from the centre.
- Right, Hand Thumb Rule- According to this rule, if we are holding the current-carrying wire in our right hand so that the thumb points in the direction in the of current, at that point the bearing where our fingers surround the wire will provide the guidance of attractive field lines around the wire.
- Circular Loop- The attractive field lines are roundabout close to the current conveying, the concentric circles become greater and greater. In the middle, the attractive field lines are straight. At the centre, all magnetic field lines are in the same direction due to which strength of the magnetic increases. The magnitude of the magnetic field is directly proportional to the current passing through the circular wire and inversely proportional to the radius of the circular loop.
- Clock Face Rule- If the direction of current is clockwise, that face of circular wire will act like the south pole. If the direction of current is anticlockwise, that face will act as a north pole.
- Magnetic Field In Solenoid- The solenoid is a long loop containing an enormous number of close turns of protected copper wire. The attractive field delivered by a current conveying is like the attractive field created by a bar magnet. The attractive field lines inside a solenoid are as straight lines which demonstrate the quality of the attractive field is the equivalent at all focuses inside the solenoid.
The strength of the magnetic field produced by solenoid depends on a number of turns in the solenoid, the strength of current, nature of core material used in making solenoid.
Electromagnet and Force in a Magnetic field
- An electromagnet is a magnet consisting of a long curl of protected copper wire folded over a delicate iron centre that is charged just when the electric flow is gone through it. It works on the magnetic effect of current.
- An electromagnet is a temporary magnet that can produce a very strong magnetic force.
- At the point when a current conveying conductor is set in an attractive field, mechanical power is applied on the conductor which makes it move.
- The direction of force acting on a current-carrying conductor or wire placed in a magnetic field is perpendicular to the direction of the current and direction of the magnetic field.
- Fleming’s left-hand rule for the direction of force states that” Hold the forefinger, centre finger and thumb of your left hand at right angles to one another. Change your turn so that the index finger focuses toward the attractive field, the middle finger focuses toward current then the bearing where the thumb focuses provides the guidance of power following up on the conductor.
- The production of electricity from magnetism is called electromagnetic induction and this process led to the construction of generators for producing electricity at power stations.
- A galvanometer is an instrument which can identify the nearness of electric flow in a circuit. The direction of the induced current can also be reversed by reversing the direction of the magnetic field.
- The creation of electric flow by moving a magnet inside a fixed curl of a wire is likewise an instance of electromagnetic enlistment. The condition vital for the creation of electric flow by electromagnetic acceptance is that there must be a relative movement between the curl of wire and magnet.
- Flemmings right-hand decision states that “Hold the thumb, the index finger and the inside finger of your correct hand at right edges to each other.
- Adjust the hand in such a way that the forefinger points in the direction of the magnetic field, and the thumb points in the direction of motion of current. At that point, the heading where the focus finger focuses provides the guidance of actuated current in the conductor.
Exercise Discussion of Xam Idea Class 10 Science Solutions Chapter 13 Magnetic Effect of Electric Current
Very Short Answer Type Questions
There are a total of 26 questions in this section and each question carries 1 mark. The phenomenon that happens when a current-carrying conductor is placed in the magnetic field, what is the solenoid, effect of electricity on which fuse work, how is fuse connected in an electric circuit, which type of generator is used at power stations, what is the frequency of DC are some examples of the questions that are discussed in this particular section.
Short Answer Type Questions
This section contains 12 questions in all and each question carries 3 marks. Some questions in this section are diagram oriented in which you need to tell answer according to the diagram given. The magnitude when the induced current is increased, the advantage of AC over DC, define the terms short-circuiting and overloading are some of the examples of questions that are discussed under this section.
Long Answer Type Questions
There are a total of 9 questions and each question carries 5 marks. Explain the working of motor and generator, what is electromagnetic induction, the difference between permanent magnet and electromagnet are some examples of the questions of this section.
HOTS (Higher-Order Thinking Skills)
This section covers 11 questions and all the questions are crucial from the exam point of view. All the questions are formed as per the topics discussed in the chapter. This section also includes diagram oriented and activity-based questions.
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