1. Electric current is a rate of
A) flow of negative charge through the conductor
B) flow of positive charge through the conductor
C) flow of ions through the conductor
D) flow of both positive and negative charges through the conductor at same time
2.
The evidence for the motion of charge in daily life situations is
A) lightening B) earthquake C) cyclone
D) floods
3.
Rate of flow of charge through a conductor is called
A) electric potential B) electric conductivity C) electric current D) electric resistance
4. All materials do not act as conductors of electricity because
A) of difference in the availability of free electrons
B) of difference in their densities
C) of difference in their composition
D) of difference in their physical state
5. When the conductor is in open circuit :
i. When a conductor is in open circuit then
A) the free electrons present in a conductor will be in random motion
B) the net charge moving along a conductor through any cross section is zero
C) the drift speed of electron is zero
D) all the above
#Friends if anyone know these then please answer
Answers
Answered by
1
Answer:
1.A
2.A lightening
3.C
4.A difference in free electron
5.I think opt B
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