मराठी

State Fleming'S Left-hand Rule. Explain It with the Help of Labelled Diagrams. - Science

Advertisements
Advertisements

प्रश्न

State Fleming's left-hand rule. Explain it with the help of labelled diagrams.

Advertisements

उत्तर

According to Fleming's left-hand rule, when thumb, forefinger and central finger are kept mutually perpendicular:
(a) Thumb represents force.
(b) Forefinger represents magnetic field.
(c) Central finger represents current.​ 

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Magnetic Effects of Electric Current - Exercise 3 [पृष्ठ ९२]

APPEARS IN

लखमीर सिंह Physics (Science) [English] Class 10
पाठ 2 Magnetic Effects of Electric Current
Exercise 3 | Q 18 | पृष्ठ ९२

संबंधित प्रश्‍न

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


Name the rule for finding the direction of magnetic field produced by a straight current-carrying conductor.


State whether the following statement is true or false:
The magnetic field inside a long circular coil carrying current well be parallel straight lines.


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


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 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.


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


When do you use (i) Fleming's left hand rule, and (ii) Fleming's right hand rule?

State under what conditions force acting on a current carrying conductor which is freely suspended in a magnetic field can be maximum.


The north pole of Earth’s magnet is in the ____________.


The direction of force on a current carrying conductor in a magnetic field is given by ____________.


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:


Observe the given figure of Fleming's Left Hand Rule and write the labels of 'A' and 'B':


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×