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MODERN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXERCISE
- What is the principle of an electric motor?
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- Magnetic field lines of two magnets are shown as follows. Name the pol...
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- Why two magnetic lines of forces never intersect each other?
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- What is the role of the split ring in an electric motor?
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- How can it be shown that a magnetic field exists around a wire through...
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- Describe an activity with a neat diagram to show the magnetic field li...
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- Describe an activity with a neat diagram to show the magnetic field li...
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- What are magnetic filed lines? How can the magnetic lines of force due...
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- How can the direction of the magnetic field be found ?
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- State two properties of magnetic field lines.
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- State the characterstics of magnetic force.
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- What is the basic difference between magnetic lines of force and elect...
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- What are the factors on which the strength of magnetic field produced ...
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- Draw the patern of field lines due to a bar magnet. Mention any two pr...
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- How does the strength of the magnetic field at the centre of a circula...
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- How does the strength of the magnetic field at the centre of a circula...
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- How does the strength of the magnetic field at the centre of a circula...
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- Draw the pattern of field lines due to a solenoid carrying electric cu...
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- Draw the pattern of magnetic field lines through and around a current ...
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- Draw the pattern of magnetic field lines through and around a current ...
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