Which is of the following is true about the electron mobility? (i) When an electric is applied, the electrons move in opposite direction by virtue of its negative charge; (ii) On the other hand, the holes move in the direction of the electric field; (iii) the average electron velocity in the direction of the force imposed by the electric field is called drift velocity; (iv) the electrical conductivity is proportional to both the number of free electrons and electron mobility.  A. (i) B. (ii) E.

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
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Chapter12: Electronic Control Devices
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Which is of the following is true about the electron mobility? (i) When an electric is applied, the electrons move in opposite direction by virtue of its negative charge; (ii) On the other hand, the holes move in the direction of the electric field; (iii) the average electron velocity in the direction of the force imposed by the electric field is called drift velocity; (iv) the electrical conductivity is proportional to both the number of free electrons and electron mobility.  A. (i) B. (ii) E. All of the above C. (iii) D. (iv) Other:

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