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MODERN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXERCISE
- Can a freely suspended current carrying solenoid stay in one direction...
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- What are magnetic field lines? How is the direction of a magnetic fiel...
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- Draw the patern of field lines due to a bar magnet. Mention any two pr...
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- State two properties of magnetic field lines.
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- Why is pure iron not used for making permanent magnets? Name any one m...
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- Draw the lines of force of the magnetic field through and around singl...
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- Draw the lines of force of the magnetic field through and around a sol...
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- State Fleming's left hand rule. With the help of a labelled diagram de...
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- What is an electromagnet? What does it consist of?
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- The best material to make permanent magnet is
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- Name one metal each to make a permanent magnet and a temporary magnet.
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- Describe an activity to show that you can make an electromagnet in you...
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- What is meant by magnetic field? Mention two parameters that are neces...
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- What are magnetic field lines? How is the direction of a magnetic fiel...
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- Describe an activity to demonstrate the direction of the magnetic fiel...
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- Using Biot-Savart's law, derive an expression for magnetic field at th...
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- What is an electromagnet?
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- What is an electromagnet ? List any of its two uses?
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- Draw a labelled diagram to show how an electromagnet is made.
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- What is the purpose of the soft iron core used in making an electroma...
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