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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?

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प्रश्न

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?

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उत्तर

By applying Fleming's left-hand rule, we find that the force will act in south direction.

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अध्याय 5: Magnetic Effects of Electric Current - Exercise 3 [पृष्ठ ९३]

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लखमीर सिंग Physics [English] Class 10
अध्याय 5 Magnetic Effects of Electric Current
Exercise 3 | Q 33 | पृष्ठ ९३

संबंधित प्रश्न

Consider a circular loop of wire lying in the plane of the table. Let the current pass through the loop clockwise. Apply the right-hand rule to find out the direction of the magnetic field inside and outside the loop.


The magnetic field inside a long straight solenoid-carrying current ______.


A positively-charged particle (alpha-particle) projected towards west is deflected towards north by a magnetic field. The direction of magnetic field is ______.


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.


State the rule to determine the direction of a force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it.


Observe the following figure:

If the current in the coil A is changed, will some current be induced in the coil B? Explain.


Fill in the following blank with suitable words: 

For a current-carrying solenoid, the magnetic field is like that of a ...........


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


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


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?


The front face of a circular wire carrying current behaves like a north pole. The direction of current in this face of circular wire is:

(a) clockwise
(b) downwards
(c) anticlockwise
(d) upwards


 Name one device whose working depends on the force exerted on a current-carrying coil placed in a magnetic field. 


A horizontal wire carries a current as shown in Figure below between magnetic poles N and S: 

  

Is the direction of the force on the wire due to the magnet:

(a) in the direction the current
(b) vertically downwards
(c) opposite to the current direction
(d) vertically upwards 


In the simple electric motor of figure given below, the coil rotates anticlockwise as seen by the eye from the position X when current flows in the coil  

 

Is the current flowing clockwise or anticlockwise around the coil when viewed from above? 


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

 


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. 


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


Which of the following factors affect the strength of force experience by current-carrying conduct in a uniform magnetic field?


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


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


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