English

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. - Science

Advertisements
Advertisements

Question

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.

Options

  • True

  • False

MCQ
True or False
Advertisements

Solution

This statement is true.

shaalaa.com
  Is there an error in this question or solution?
Chapter 13: Magnetic Effects of Electric Current - Exercises [Page 240]

APPEARS IN

NCERT Science [English] Class 10
Chapter 13 Magnetic Effects of Electric Current
Exercises | Q 6.3 | Page 240

RELATED QUESTIONS

Which of the following property of a proton can change while it moves freely in a magnetic field? (There may be more than one correct answer.)


State Fleming’s left hand rule.


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


What is the shape of a current-carrying conductor whose magnetic field pattern resembles that of a bar magnet?


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 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. 


What is the force on a current-carrying wire that is parallel to a magnetic field? Give reason for your answer. 


 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?

i) Which principle is explained in this figure?
ii) Which rule is used to find out the direction of a force in this principle?
iii) In which machine this principle is used? Draw a diagram showing working of that machine


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.


The following diagram shows two parallel straight conductors carrying the same current. Copy the diagram and draw the pattern of the magnetic field lines around them showing their directions. What is the magnitude of the magnetic field at a point 'X' which is equidistant from the conductors? Give justification for your answer.


Write Fleming’s left hand rule.


The shape of the magnetic field lines produced by a current-carrying conductor is ____________.


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


What do you know about Michael Faraday?


Assertion (A): A magnetic field exerts a force on a moving charge in the same direction as the direction of the field itself.
Reason (R): The direction of force is given by Fleming’s left-hand rule.


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


A copper conductor is placed over two stretched copper wires whose ends ate connected to a D.C. supply as shown in the diagram.

  1. What should be the magnetic poles at the points A and B lying on either side of the conductor to experience the force in the upward direction?
  2. Name the law used to find these polarities.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×