मराठी

The diagram below shows a magnet moved near a coil along its axis. Which of the diagram shows correct flow of current during this motion?

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प्रश्न

The diagram below shows a magnet moved near a coil along its axis. Which of the diagram shows correct flow of current during this motion?

पर्याय

MCQ
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उत्तर

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2021-2022 (March) Set 1

संबंधित प्रश्‍न

How does a solenoid behave like a magnet? Can you determine the north and south poles of a current-carrying solenoid with the help of a bar magnet? Explain.


State the direction in which current-carrying freely suspended solenoid rests


The following diagram shows a spiral coil wound on a hollow carboard tube AB. A magnetic compass is placed close to it. Current is switched on by closing the key.

  1. What will be the polarity at the ends A and B?
  2. How will the compass needle be affected? Give reason.


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


A current carrying solenoid when freely suspended, it always rests in ______ direction.


  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).

Draw the pattern of magnetic field lines of a solenoid through which a steady current flows. What does the pattern of field lines inside the solenoid indicate?


The adjacent diagram shows a small magnet placed near a solenoid. State whether the magnet is attracted or repelled, as the switch is pressed. Give a reason.


Which of the following diagrams correctly shows the magnetic field produced by a current-carrying wire?


For a current in a long straight solenoid, N-pole and S-pole are created at the two ends. Among the following statements, the incorrect statement is ____________.


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