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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

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प्रश्न

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.

विकल्प

  • True

  • False

MCQ
सत्य या असत्य
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उत्तर

This statement is true.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 12: Magnetic Effects of Electric Current - EXERCISE [पृष्ठ २०७]

APPEARS IN

एनसीईआरटी Science [English] Class 10
अध्याय 12 Magnetic Effects of Electric Current
EXERCISE | Q 3. (a) | पृष्ठ २०७

संबंधित प्रश्न

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.)


When is the force experienced by a current-carrying conductor placed in a magnetic field largest?


Imagine that you are sitting in a chamber with your back to one wall. An electron beam, moving horizontally from back wall towards the front wall, is deflected by a strong magnetic field to your right side. What is the direction of magnetic field?


State qualitatively the effect of inserting an iron core into a current-carrying solenoid.

 

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


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


When is the force experienced by a current-carrying conductor placed in a magnetic field largest?


 Name one device whose working depends on the force exerted on a current-carrying coil placed in a magnetic field. 


Which way does the wire in the diagram below tend to move? 

 


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. 


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


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


Name and state the rule of determine the direction of force experienced by a current carrying straight conductor placed in a uniform magnetic field which is perpendicular to it. 


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


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


Describe the activity that shows that a current-carrying conductor experiences a force perpendicular to its length and the external magnetic field. How does Fleming’s left-hand rule help us to find the direction of the force acting on the current carrying conductor?


Two LED bulbs of 10W and 5W are connected in series. If the current flowing through 5W bulb is 0.005A, the current flowing through 10W bulb is ______.


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