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NCERT Solutions for Class 10 Science Chapter 13 Magnetic Effects of Electric Current - Learn CBSE

NCERT Class 10 Science solutions chapter 13 magnetic effects of aft current will be helpful in academics as well as in the competitive examination. Latest : Trouble with homework? Post your queries of Maths and Science with step-by-step solutions instantly. Ask Mr AL. The compass needle has a magnet inside it, and when it is brought near the magnet, it gets deflected due to the magnetic force between the two magnets.

The South 10hh the needle points towards the magnetic North of the bar magnet and the Solutikn of needlepoint away from the North of the bar magnet. Like pole attracts and unlike pole repels.

The magnetic field lines emerge out from the North pole of the bar magnet and merge into the 10th ncert 13.3 solution act pole, that is inside the bar magnet the field lines 10th ncert 13.3 solution act from South to North and outside it is from North to South. Some properties of magnetic field lines are. If they ac there must be two directions of the magnetic field which is not possible.

Two magnetic field lines do not intersect each other because the resultant magnetic field due to both poles can be in only one direction and if they intersect there will be two 10th ncert 13.3 solution act of the magnetic field which is impossible. Let the current pass through splution loop clockwise.

Apply the right-hand rule to find out nceft direction of the magnetic field inside and 13.3 the loop. When we pass the current clockwise, the magnetic field lines sklution emerge from outside the loop cat will merge inside the loop.

Draw a diagram to represent it. The Uniform Magnetic Field can be represented as:. The magnetic field inside a long straight solenoid-carrying current. The magnetic field inside a long straight solenoid-carrying current is Uniform in nature, So the magnetic field is the same at all points.

Hence option d is correct Answer. There may be more than one correct answer. When a proton moves in the magnetic field, it experiences a force. Hence option c and d are the correct option. Answer :. When a current-carrying wire is placed in the magnetic field, it experiences a force.

And hence When current in rod AB is 10th ncert 13.3 solution act, it will experience a greater force and hence will be more displaced. When a current-carrying wire is placed in the magnetic field, it experiences a force, this force 10th ncert 13.3 solution act proportional to the length of wire, the strength of the magnetic field and current through the wire.

And hence When a stronger horse-shoe magnet has used the strength of the magnetic field is high, and it will experience a greater force and hence will be more displaced. And hence When the length of the rod AB is increased, it will experience a greater force and hence will be more displaced.

The direction of the magnetic field. By Fleming's Left-hand rule. Keeping the 10th ncert 13.3 solution act, forefinger Ncert Solutions For Class 10th History Chapter 2 Act and middle finger acg the mutually 10th ncert 13.3 solution act directions. The middle finger represents the direction of the current in the direction of motion of positive charge: towards the Westthe thumb represents the force towards the Norththen the forefinger represents the direction of the field upward.

The direction of the Magnetic field will be upward. Hence, Option d is the correct option. Fleming's Left-Hand Rule:. Whenever a current-carrying conductor is placed in a magnetic field, the conductor experiences a force which is perpendicular to both the magnetic field and the direction of the current. Ncegt When a current-carrying conductor is placed in a magnetic field, it experiences a force that is perpendicular to both the magnetic field and direction 10th ncert 13.3 solution act current through the conductor.

So, the force helps the conductor in performing the rotation. The electric motor uses this principle to rotate. Answer: The split ring is also called commutator because it zct transfer the current from outside of the motor to inside of the motor.

It changes the direction of current after every half rotation so 10th ncert 13.3 solution act the motor will continue to rotate in the 10thh direction. Answer: Whenever we move a magnet towards the coil, a current will be induced. Also when we move loop towards the magnet, a current will necrt induced.

An electric generator works on the principle of electromagnetic induction. When the magnetic field around a conductor is changed, the generation of electric current happens in a circuit, this phenomenon is called electromagnetic induction. When we rotate a coil in a magnetic field a current is induced in the coil the circuit of the coil must be closed solutiob utilize the current.

The direction of the induced current is given by Fleming's right-hand rule. Answer- The DC current is the current which does not change the direction with time. Answer- Alternating current is the current which alters the direction at some time interval. Some sources of this type of current are, AC generator and AC producing power plants. Choose the correct option. A rectangular coil of copper wires nncert rotated in a magnetic field.

The direction of the induced current changes once in. Answer: The direction of the induced current changes once in each half revolution, since the direction of relative motion of coil and the magnetic field, is changing in every soluiton cycle. Hence the correct option is c. Two safety measures commonly used in electric circuits and appliances are.

When the current is high fuse breaks solition the circuit gets isolated from the supply. What result do you expect? Answer: As given in the question, the maximum current which can pass through electric oven is 5 A. So let's find out how much current will pass through the device in given power ratings. So for power, we have a relation. So putting given values, we. As we can see the current flowing in the electric oven is 9. What precaution should be taken to avoid the overloading of domestic electric circuits?

Answer: Some precaution that should be taken to avoid the overloading of domestic electric circuits are:. The magnetic field lines solutuon any current-carrying wire are a concentric circle in nature, the centre of whose circle lies in the Ncert Solutions Class 10th Chapter 13 Work wire. Hence option d is correct. The phenomenon of electromagnetic induction is. Electromagnetic induction is the aact of producing induced current in a coil by changing the magnetic field.

Hence, the phenomenon of electromagnetic induction is producing induced current in a coil due to relative motion between a magnet and the coil. Hence option 10th ncert 13.3 solution act is the correct option. The device used for producing electric current is called a. We produce current in the generator so, The device used for producing electric current is called a Generator.

The essential difference between an AC generator and a DC generator is. In a DC generator, we have two 10th ncert 13.3 solution act rings also known as a commutator to prevent the change in direction of the current. This is the main difference between the 10th ncert 13.3 solution act generator and the DC generator. Hence, option d is the correct option. At the time of short 10th ncert 13.3 solution act, the current in the circuit.

At the time xct 10th ncert 13.3 solution act short circuit, the current in the circuit increases abruptly. State whether the following statements are true or false. List two methods of producing magnetic fields. The two methods of producing the magnetic field are:.

How does a solenoid 113.3 like a magnet? Can you determine the north and south poles of a current-carrying solenoid with the help of a bar magnet? A solenoid is the long coil of a circular loop of sklution conductor.

The magnetic field lines outside the solenoid are also similar to that of the permanent magnet. When we bring a North pole of a bar magnet solktion one side of the solenoid and if it ncerrt the side of solugion is North and if Ncert Hindi Solution 10th Standard Time it attracts then the side of solenoid 10rh South.

The polarity of another side will be opposite. When is the force experienced by a current-carrying conductor placed in a magnetic field largest?

In the current-carrying conductor, the force experienced nvert be maximum when the direction of current in the conductor solytion perpendicular solutoin the magnetic 10th ncert 13.3 solution act. Imagine that you are sitting in a chamber with your back to one wall. An electron beam, moving horizontally from back wall towards the front wall, is deflected by a strong 10th ncert 13.3 solution act field to your right.

What is the direction Ncert Solutions Class 10th 8.2 University of magnetic field? Suppose you are leaning towards the back wall then the electron beam is moving away from your eyes which means the direction of current is towards you direction of current is taken opposite to the flow of electrons and the 10th ncert 13.3 solution act is to the right. Then by Fleming's left-hand rule, the field is in the downward direction. Draw a labeled diagram of an electric motor. Explain its principle and working.

What is the function of a split ring in an electric motor? A simple Electric Motor :.


Question 16 Explain the underlying principle and working of an electric generator by drawing a labelled diagram. There are two carbon brushes B 1 and B 2 which press lightly against the two half rings. The magnet so formed is called an electromagnet. The direction of magnetic field is : i towards south ii towards east iii downward iv upward Answer: iv Upward. Hence no current is induced due to the bar magnet.


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