Question :

Magnetism at the centre of a bar magnet is


A) minimum
B) maximum
C) zero
D) minimum or maximum

Answer : C

Description :



Related Questions - 1


Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to


A) the heating effect of current alone
B) hysteresis loss alone
C) both the heating effect of current and hysteresis loss
D) intense sunlight at noon

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Related Questions - 2


Magnetism at the centre of a bar magnet is


A) minimum
B) maximum
C) zero
D) minimum or maximum

View Answer

Related Questions - 3


Siphon will fail to work if


A) the densities of the liquid in the two vessels are equal
B) the level of the liquid in the two vessels are at the same height
C) both its limbs are of unequal length
D) the temperature of the liquids in the two vessels are the same

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Related Questions - 4


Pa(Pascal) is the unit for


A) thrust
B) pressure
C) frequency
D) conductivity

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Related Questions - 5


Sound waves in air are


A) transverse
B) longitudinal
C) electromagnetic
D) polarised

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