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

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प्रश्न

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

एक पंक्ति में उत्तर
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उत्तर

When current in the conductor is normal to the magnetic field.

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 10: Electro-Magnetism - EXERCISE-10 (B) [पृष्ठ २४६]

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सेलिना Concise Physics [English] Class 10 ICSE
अध्याय 10 Electro-Magnetism
EXERCISE-10 (B) | Q 2. (b) | पृष्ठ २४६

संबंधित प्रश्न

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


The force exerted on a current-carrying wire placed in a magnetic field is zero when the angle between the wire and the direction of magnetic field is: 

 45°
 60°
 90°
 180°

 


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

 


 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?

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.


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 ____________.


Which of the following factors affect the strength of force experience by current-carrying conduct in a uniform magnetic field?


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?

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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