हिंदी

For the current carrying solenoid as shown, draw magnetic field lines and give reason to explain that out of the three points A, B and C, at which point the field - Science

Advertisements
Advertisements

प्रश्न

For the current carrying solenoid as shown, draw magnetic field lines and give reason to explain that out of the three points A, B and C, at which point the field strength is maximum and at which point it is minimum? 

संक्षेप में उत्तर
Advertisements

उत्तर

  1. Magnetic field strength outside of the solenoid is minimal. The magnetic field strength at the ends of the solenoid is half that inside. Field strength is thus:
    Minimum - at point B; Maximum - at point A.
shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
2022-2023 (March) Delhi Set 1

संबंधित प्रश्न

The figure shows a solenoid wound on a core of soft iron. Will the end A be a N pole or S pole when the current flows in the direction shown?  

 


The adjacent diagram shows a small magnet placed near a solenoid AB. Current is switched on in the solenoid by pressing the key K.

  1. State the polarity at the ends A and B.
  2. Will the magnet be attracted or repelled? Give a reason for your answer.


Why does a current carrying freely suspended solenoid rest along a particular direction? State the direction in which it rests.


A current carrying solenoid behaves like a ______.


  1. What name is given to a cylindrical coil of diameter less than its length?
  2. If a piece of soft iron is placed inside the coil mentioned in part (a) and current is passed in the coil from a battery, what name is then given to the device so obtained?
  3. Give one use of the device mentioned in part (b).

Derive the expression for the heat produced due to a current ‘I’ flowing for a time interval ‘t’ through a resistor ‘R’ having a potential difference ‘V’ across its ends. With which name is the relation known? How much heat will an instrument of 12W produce in one minute if it is connected to a battery of 12V?


What does the divergence of magnetic field lines near the ends of a current carrying straight solenoid indicate?


Ansari Sir was demonstrating an experiment in his class with the setup as shown in the figure below.

A magnet is attached to a spring. The magnet can go in and out of the stationary coil. He lifted the Magnet and released it to make it oscillate through the coil.
Based on your understanding of the phenomenon, answer the following question.

Is there any difference in the observations in the galvanometer when the Magnet swings in and then out of the stationary coil? Justify your answer.


Observe the given figure of a current-carrying solenoid and write the labels of A and B correctly.


Current is flowing through a coil as shown in the figure. Which one of the given figures will correctly depict the magnetic polarity and the direction of the lines of force along the axis of the coil?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×