Germanium is doped with 5 × 1015 donor atoms per cm' at T = 300 K. The dimen- sions of the Hall device ared = 5 × 10-³ cm, W = 2 X 10-² cm, andL= 10¬' cm. 250 µA, the applied voltage is V, = 100 mV, and the magnetic flux 5 x 10-2 tesla. Calculate: (a) the Hall voltage, (b) the The current is I, 500 gauss density is B. Hall field, and (c) the carrier mobility.
Germanium is doped with 5 × 1015 donor atoms per cm' at T = 300 K. The dimen- sions of the Hall device ared = 5 × 10-³ cm, W = 2 X 10-² cm, andL= 10¬' cm. 250 µA, the applied voltage is V, = 100 mV, and the magnetic flux 5 x 10-2 tesla. Calculate: (a) the Hall voltage, (b) the The current is I, 500 gauss density is B. Hall field, and (c) the carrier mobility.
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Transcribed Image Text:5.47 Germanium is doped with 5 X 105 donor atoms per cm' at T= 300 K. The dimen-
sions of the Hall device ared= 5 × 10-³ cm, W = 2 × 10-² cm, andL
The current is I, = 250 µA, the applied voltage is V = 100 mV, and the magnetic flux
density is B, = 500 gauss = 5 × 10-² tesla. Calculate: (a) the Hall voltage, (b) the
Hall field, and (c) the carrier mobility.
= 10-' cm.
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