मराठी

What is the Shape of a Current-carrying Conductor Whose Magnetic Field Pattern Resembles that of a Bar Magnet? - Science

Advertisements
Advertisements

प्रश्न

What is the shape of a current-carrying conductor whose magnetic field pattern resembles that of a bar magnet?

Advertisements

उत्तर

The magnetic field produced by a current-carrying solenoid is similar to the magnetic field produced by a bar magnet. Therefore, the shape of the given current-carrying conductor is solenoid.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Magnetic Effects of Electric Current - Exercise 2 [पृष्ठ ८२]

APPEARS IN

लखमीर सिंह Physics (Science) [English] Class 10
पाठ 2 Magnetic Effects of Electric Current
Exercise 2 | Q 9 | पृष्ठ ८२

संबंधित प्रश्‍न

The magnetic field in a given region is uniform. Draw a diagram to represent it.


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 magnetic field to your right side. What is the direction of magnetic field?


Draw the magnetic lines of force due to a circular wire carrying current. 


What is the shape of field lines inside a current-carrying solenoid? What does the pattern of field lines inside a current-carrying solenoid indicate?


A soft iron bar is inserted inside a current-carrying solenoid. The magnetic field inside the solenoid:

(a) will decrease
(b) will increase
(c) will become zero
(d) will remain the same


The force exerted on a current-carrying wire placed in a magnetic field is zero when the angle between the wire and the direction of magnetic field is: 

 45°
 60°
 90°
 180°

 


If the current in a wire is flowing in the vertically downward direction and a magnetic field is applied from west to east, what is the direction of force in the wire?


Two coils A and B of insulated wire are kept close to each other. Coil A is connected to a galvanometer while coil B is connected to a battery through a key. What would happen if: 

the current is stopped by removing the plug from the key? 

Explain your answer mentioning the name of the phenomenon involved. 


Name and state the law which is used to determine the direction of force on a current carrying conductor placed in a magnetic field.


 A coil ABCD mounted on an axle is placed between the poles N and S of a permanent magnet as shown in Figure.

  1. In which direction will the coil begin to rotate when current is passed through the coil in direction ABCD by connecting a battery at the ends A and D of the coil?
  2. Why is a commutator necessary for continuous rotation of the coil?
  3. Complete the diagram with commutator, etc. for the flow of current in the coil?

Name the following diagram and explain the concept behind it.


State two ways to increase the speed of rotation of a D.C. motor.


State Fleming’s left-hand rule.


The following diagram shows two parallel straight conductors carrying the same current. Copy the diagram and draw the pattern of the magnetic field lines around them showing their directions. What is the magnitude of the magnetic field at a point 'X' which is equidistant from the conductors? Give justification for your answer.


For a current in a long straight solenoid N- and S-poles are created at the two ends. Among the following statements, the incorrect statement is


Which of the following pattern correctly describes the magnetic field around a long straight wire carrying current?


An alpha particle enters a uniform magnetic field as shown. The direction of force experienced by the alpha particle is ______.


Assertion (A): A current carrying straight conductor experiences a force when placed perpendicular to the direction of magnetic field.

Reason (R): The net charge on a current carrying conductor is always zero.


If the strength of the current flowing through a wire is increased, the strength of the magnetic field produced by it ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×