The Hall voltage for the metal sodium is 0.001 mV, measured at l=100mA, B,=2Wb/m². And the thickness of the specimen is 0.05mm. (a) Calculate the number of carriers per cubic metre of sodium. (b) Calculate the mobility of electrons in sodium, using known value of electrical resistivity (p=4.18 m 10-8m¯').
The Hall voltage for the metal sodium is 0.001 mV, measured at l=100mA, B,=2Wb/m². And the thickness of the specimen is 0.05mm. (a) Calculate the number of carriers per cubic metre of sodium. (b) Calculate the mobility of electrons in sodium, using known value of electrical resistivity (p=4.18 m 10-8m¯').
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Transcribed Image Text:The Hall voltage for the metal sodium is 0.001 mV, measured at l=100mA, B,=2Wb/m². And the thickness of the specimen is 0.05mm.
(a) Calculate the number of carriers per cubic metre of sodium.
(b) Calculate the mobility of electrons in sodium, using known value of electrical resistivity (p=4.18 m 10-8'm¯').
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