हिंदी

The Diagram Given Below Represents Magnetic Field Caused by a Current-carrying Conductor Which Is: - Science

Advertisements
Advertisements

प्रश्न

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 

 

Advertisements

उत्तर

a circular coil

The diagram represents a magnetic field caused by a current-carrying conductor which is a circular coil.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Magnetic Effects of Electric Current - Exercise 2 [पृष्ठ ८३]

APPEARS IN

लखमीर सिंग Physics (Science) [English] Class 10
अध्याय 2 Magnetic Effects of Electric Current
Exercise 2 | Q 25 | पृष्ठ ८३

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


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.)


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


Which of the following correctly describes the magnetic field near a long straight wire?


State the form of magnetic field lines around a straight current-carrying conductor.


Fill in the following blank with suitable words: 

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


Name and state the rule to determine the direction of magnetic field around a straight current-carrying conductor.


State and explain the Clock face rule for determining the polarities of a circular wire carrying current.


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


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


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?


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


Name and state the law which is used to determine the direction of force on a current carrying conductor placed in a magnetic field.


Differentiate between conductors and insulators.


A simple motor is made in a school laboratory. A coil of wire is mounted on an axle between the poles of a horseshoe magnet, as illustrated.

In the example above, coil ABCD is horizontal and the battery is connected as shown.

  1. For this position, state the direction of the force on the arm AB.
  2. Why does the current in the arm BC not contribute to the turning force on the coil?

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


Which of the following pattern correctly describes the magnetic field around a long straight wire carrying current?


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×