|
Two identical circular loops P and Q
|
|
1
|
8316
|
December 11, 2016
|
|
Find the magnetic field at the origin O
|
|
1
|
1409
|
December 11, 2016
|
|
A long straight wire in the horizontal plane carries
|
|
1
|
6568
|
December 11, 2016
|
|
A horizontal overhead power line carries a current of 90 A
|
|
1
|
9380
|
December 11, 2016
|
|
A long straight wire carries a current of 35 A
|
|
1
|
2792
|
December 11, 2016
|
|
A current of 5 A is flowing from South to North
|
|
1
|
4200
|
December 11, 2016
|
|
How will you identify, whether the magnetic field at a point issue
|
|
1
|
2103
|
December 11, 2016
|
|
Explain qualitatively on the basis of domain picture the irreversibility in the magnetisation curve of a ferromagnet
|
|
1
|
2614
|
December 11, 2016
|
|
Why does a paramagnetic Sample display greater magnetisation (for the same magnetising field) when cooled?
|
|
1
|
5660
|
December 11, 2016
|
|
A compass needle free to turn in a horizontal plane
|
|
1
|
2786
|
December 11, 2016
|
|
The earth’s magnetic field varies from point to point in space
|
|
1
|
3596
|
December 11, 2016
|
|
A vector needs three quantities for its specification
|
|
1
|
5313
|
December 11, 2016
|
|
A compass needle, free to turn in a vertical plane
|
|
1
|
4612
|
December 11, 2016
|
|
A ball of superconducting material is dipped in liquid nitrogen and placed near a bar magnet
|
|
1
|
3232
|
December 11, 2016
|
|
The behaviour of magnetic field lines in the presence of
|
|
1
|
4589
|
December 11, 2016
|
|
A magnetic needle free to rotate in a vertical plane
|
|
1
|
4888
|
December 11, 2016
|
|
If the bar magnet in Q. 8 is turned around by 180°
|
|
1
|
1621
|
December 11, 2016
|
|
A short bar magnet placed in a horizontal plane
|
|
1
|
3349
|
December 11, 2016
|
|
Obtain the declination and dip angles at P and Q
|
|
1
|
1171
|
December 11, 2016
|
|
Calculate the pole strength
|
|
1
|
2594
|
December 11, 2016
|
|
Verify the Gauss’ law for magnetic field
|
|
1
|
3520
|
December 11, 2016
|
|
A magnetic dipole is under the influence of two magnetic fields
|
|
1
|
2706
|
December 11, 2016
|
|
What is the torque on the magnet in cases (a) and (b)?
|
|
1
|
1347
|
December 11, 2016
|
|
At what distance from the centre of the magnet
|
|
1
|
1334
|
December 11, 2016
|
|
An observer to the left of a solenoid of N turns each of cross-section area
|
|
1
|
5875
|
December 11, 2016
|
|
A circular coil of N turns and diameter d carries a current I
|
|
1
|
11689
|
December 11, 2016
|
|
A small compass needle of magnetic moment M
|
|
1
|
9699
|
December 11, 2016
|
|
How does a circular loop carrying current behave as a magnet?
|
|
0
|
10498
|
December 11, 2016
|
|
A short bar magnet has a magnetic moment of
|
|
1
|
2092
|
December 11, 2016
|
|
The diameter of objective lens of a telescope
|
|
1
|
2052
|
December 11, 2016
|