MCQ
Liquid oxygen remains suspended between two pole faces of a magnet because it is
- ADiamagnetic
- ✓Paramagnetic
- CFerromagnetic
- DAntiferromagnetic
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$(A)$ Kirchhoff's junction law follows from the conservation of charge.
$(B)$ Kirchhoff's loop law follows from the conservation of energy.
Which of the following is correct ?


Assume all the surfaces shown in the figure to be frictionless.