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PUNJAB BOARD PREVIOUS YEAR PAPERS-MAGNETIC DIPOLE AND EARTH.S MAGNETISM-Exercise
- Define magnetic declination at a place.
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- Define magnetic inclination at a point.
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- Define the term magnetic dipole moment.
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- Why two magnetic lines of forces never intersect each other?
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- What is neutral point in a magnetic field ?
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- Write S.I. unit of ‘m’(pole strength).
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- ...................Law for magnetism establishes that monopoles do not...
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- What are maganetic elements at a place. Define them.
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- What happens if abar magnet is cut into two equal pieces: transverse ...
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- What happens if abar magnet is cut into two equal pieces:along its len...
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- write units of magnetic dipole moment by taking into consideration the...
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- State four properties of a bar magnet.
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- What is the cause of earth's magnetism?
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- Explain how an atom behaves as a magnetic dipole ? Find an expression ...
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- Derive an expression for torque acting on a barmagnet placed in magnet...
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- Derive an expression for the magnetic field intensity at a point on th...
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- What is probable cause of earth's magnetism?
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- Define magneticfield intensity at a point. Derive an expression for ma...
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- Derive an expression for torque acting on a bar magnet placed in a uni...
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- What is the cause of earth's magnetism?
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