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Natural magnet
Artificial magnet
Neither natural nor artificial
None of these options
South-west
East-west
North-south
North-west
Ferromagnetic material
Paramagnetic material
Diamagnetic material
All substances
Some substances
Only ferromagnetic substances
Dyne
Tesla
Weber
Ohm
Option (a) and (b)
M = m × 2I
M = m + 2I
M = m – 2I
M = m / 2I
W = MB (cos θ1/cos θ2)
W = MB (cos θ1 + cos θ2)
W = MB (cos θ1 – cos θ2)
W = M+B (cos θ1 – cos θ2)
Ferromagnetism
Paramagnetism
Diamagnetism
TRUE
FALSE