Advertisements
Advertisements
प्रश्न
How is the magnetic field due to a solenoid carrying current affected if a soft iron bar is introduced inside the solenoid?
उत्तर
Magnetic field due to a solenoid carrying current increases if a soft iron bar is introduced inside the solenoid.
APPEARS IN
संबंधित प्रश्न
Why does a current carrying, freely suspended solenoid rest along a particular direction?
State two ways by which the magnetic field due to a current carrying solenoid can be made stronger.
A current carrying solenoid when freely suspended, it always rests in ______ direction.
Sketch the lines of force of the magnetic field of a solenoid. How does its field compare with that of a bar magnet?
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.
What is a solenoid? Why do we usually keep its diameter small in comparison to its length?
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.
How is a solenoid prepared?
Differentiate between a circular coil and a solenoid.
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?