Advertisements
Advertisements
प्रश्न
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.
When will coil come to rest?
उत्तर
The coil will come to rest when their plane become normal to the magnetic field.
APPEARS IN
संबंधित प्रश्न
State the form of magnetic field lines around a straight current-carrying conductor.
Name any two factors on which the strength of magnetic field produced by a current-carrying solenoid depends. How does it depend on these factors?
List three ways in which the magnetic field strength of a current-carrying solenoid can be increased?
The diagram given below represents magnetic field caused by a current-carrying conductor which is:
(a) a long straight wire
(b) a circular coil
(c) a solenoid
(d) a short straight wire
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.
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.
State Fleming's left-hand rule. Explain it with the help of labelled diagrams.
State condition when magnitude of force on a current carrying conductor placed in a magnetic field is zero?
The direction of force on a current carrying conductor in a magnetic field is given by ____________.
Which of the following pattern correctly describes the magnetic field around a long straight wire carrying current?