Question :

Metals are good conductors of electricity because


A) they contain free electrons
B) the atoms are lightly packed
C) they have high melting point
D) All of the above

Answer : A

Description :



Related Questions - 1


The absorption of ink by blotting paper involves


A) viscosity of ink
B) capillary action phenomenon
C) diffusion of ink through the blotting
D) siphon action

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Related Questions - 2


Metals are good conductors of electricity because


A) they contain free electrons
B) the atoms are lightly packed
C) they have high melting point
D) All of the above

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Pick out the scalar quantity


A) force
B) pressure
C) velocity
D) acceleration

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Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2


A) 0.14 m/s
B) 140 m/s
C) 1.4 km/s
D) 14 m/s

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Pa(Pascal) is the unit for


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

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