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CBSE Notes 2011-2012 » XII-Physics

Magnetism

As shown in the figure, a charged particle enters a uniform magnetic field and experiences an upward...

Short answer question

As shown in the figure, a charged particle enters
a uniform magnetic field and experiences an
upward force as indicated. What is the charge
sign on the particle ? [Delhi 2003C

Which orientation of a magnetic dipole in a uniform magnetic field will correspond to its stable equ...

Short answer question

Which orientation of a magnetic dipole in a
uniform magnetic field will correspond to its
stable equilibrium ?

What should be the orientation of a magnetic dipole in a uniform magnetic field so that its potentia...

Short answer question

What should be the orientation of a magnetic
dipole in a uniform magnetic field so that its
potential energy is maximum ? [AI 2003]

Steel is preferred for making permanent magnets whereas soft iron is preferred for making electromag...

Short answer question

Steel is preferred for making permanent
magnets whereas soft iron is preferred for
making electromagnets. Give one reason.
[AI 2006]

What is the value of the horizontal component of the earth's magnetic field at magnetic poles ? [AI ...

Short answer question

What is the value of the horizontal component
of the earth's magnetic field at magnetic poles ?
[AI 2005C]

Give two essential characteristics of a material used for preparing an electromagnet. [Foreign 2004]

Short answer question

Give two essential characteristics of a
material used for preparing an electromagnet.
[Foreign 2004]

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