मराठी

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

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

संबंधित प्रश्‍न

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


Observe the following figure:

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


 What are the various ways in which the strength of magnetic field produced by a current-carrying circular coil can be increased?


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


What type of core should be put inside a current-carrying solenoid to make an electromagnet?


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


A current-carrying straight wire is held in exactly vertical position. If the current passes through this wire in the vertically upward direction, what is the direction of magnetic field produced by it? Name the rule used to find the direction of magnetic field. 


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

(a) from top towards bottom
(b) from left towards right
(c) from bottom towards top
(d) from right towards left 


In a statement of Fleming's left-hand rule, what do the following represent?

(a) direction of centre finger.
(b) direction of forefinger.
(c) direction of thumb.


The force experienced by a current-carrying conductor placed in a magnetic field is the largest when the angle between the conductor and the magnetic field is: 

 45°
 60°
 90°
 180°


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.


How will the direction of force be changed, if the current is reversed in the conductor placed in a magnetic field?


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

Name an instrument which makes use of the principle stated above.


Differentiate between conductors and insulators.


State whether a magnetic field is associated or not around a static charge.


A current flows in a wire running between the S and N poles of a magnet lying horizontally as shown in the figure below:

The force on the wire due to the magnet is directed ____________.


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


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


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