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CBSE Notes 2011-2012 » XII-Physics

Magnetism

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]

How does the (i) pole strength and (ii) magnetic moment of each part of a bar magnet change if it is...

Short answer question

How does the (i) pole strength and
(ii) magnetic moment of each part of a bar
magnet change if it is cut into two equal
pieces transverse to its length ? [Delhi 2003]

How does the (i) pole strength and (ii) magnetic moment of each part of a bar magnet change if it is...

Short answer question

How does the (i) pole strength and (ii) magnetic
moment of each part of a bar magnet change if
it is cut into two equal pieces along its length ?
[Delhi 2003]

Where on the earth's surface is the value of angle of dip maximum ? [Delhi 2003]

Short answer question

Where on the earth's surface is the value of
angle of dip maximum ? [Delhi 2003]

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

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