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


Pick out the scalar quantity


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

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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

View Answer

Related Questions - 3


Magnetism at the centre of a bar magnet is


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

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Related Questions - 4


It is more difficult to walk on a sandy road than on a concrete road because


A) sand is soft and concreter is hard
B) the friction between sand and feet is less than that between concrete and feet
C) the friction between sand and feet is more than that between concrete and feet
D) the sand is grainy but concrete is smooth

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Related Questions - 5


Pa(Pascal) is the unit for


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

View Answer