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1.
The co-ordination number of a simple cubic structure is
2.
The conduction of electricity, in semiconductors, takes place due to movement of
3.
In conductors conduction of electricity takes place due to movement of
4.
Is an element used in semiconductors whose atoms have three valence electrons.
5.
The coils of D.C. motor starter are wound with wire of
6.
Due to which of the following factors the brush wear rate is altered?
7.
Which of the following affect greatly the resistivity of electrical conductors?
8.
Carbon resistors are used extensively because they are
9.
The current due to electron flow in conduction band is the hole current in valence band.
10.
The metal having the lowest temperature coefficient of resistance is