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Which Way Does the Wire in the Diagram Below Tend to Move? Current N S - Science

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प्रश्न

Which way does the wire in the diagram below tend to move? 

 

एक पंक्ति में उत्तर
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उत्तर

 By applying Fleming's left-hand rule, we find that the wire tends to move downwards (into the paper).

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अध्याय 2: Magnetic Effects of Electric Current - Exercise 3 [पृष्ठ ९३]

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लखमीर सिंग Physics (Science) [English] Class 10
अध्याय 2 Magnetic Effects of Electric Current
Exercise 3 | Q 34 | पृष्ठ ९३

संबंधित प्रश्न

Which of the following correctly describes the magnetic field near a long straight wire?


State whether the following statement is true or false

The field at the centre of a long circular coil carrying current will be parallel straight lines.


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?


Describe how you will locate a current-carrying wire concealed in a wall.


Draw a sketch to show the magnetic lines of force due to a current-carrying straight conductor.


What is a solenoid? Draw a sketch to show the magnetic field pattern produced by a current-carrying solenoid.


Name the type of magnet with which the magnetic field pattern of a current-carrying solenoid resembles


When is the force experienced by a current-carrying conductor placed in a magnetic field largest?


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: 

a current is passed through coil B by plugging the key?  

Explain your answer mentioning the name of the phenomenon involved.

 


State condition when magnitude of force on a current carrying conductor placed in a magnetic field is zero?


 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?

A flat coil ABCD is freely suspended between the pole pieces of a U-shaped permanent magnet with the plane of coil parallel to the magnetic field.

When will the couple acting on the coil be

  1. maximum
  2. minimum?

A current-carrying conductor is held in an exactly vertical direction. In order to produce a clockwise magnetic field around the conductor, the current should be passed in the conductor:


The strength of magnetic field around a current-carrying conductor is ____________.


The diagram below shows a free conductor AB is kept in a magnetic field and is carrying current from A to B. (To avoid confusion complete path of the circuit is not shown) The direction of the force experienced by the conductor will be:


A simple motor is made in a school laboratory. A coil of wire is mounted on an axle between the poles of a horseshoe magnet, as illustrated.

In the example above, coil ABCD is horizontal and the battery is connected as shown.

  1. For this position, state the direction of the force on the arm AB.
  2. Why does the current in the arm BC not contribute to the turning force on the coil?

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 ______.


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