The following data are for intrinsic germanium at `300 K. n_(i) = 2.4 xx 10^(19)//m^(3), mu_(e) = 0.39 m^(2)//Vs, mu_(h) = 0.19 m^(2)//Vs`. Calculate the coductivity of intrinsic germanium.

The length of a germanium rod is 0.58 cm and its area of cross-section is 1mm^(2) . If for germanium n_(i)=2.5xx10^(19)m^(-3),mu_(h)=0.19 m^(2)//V-s,mu_(e)=0.39 m^(2)//V-s , then the resistance of the rod will be-

The length of a germanium rod is 0.58 cm and its area of cross-section is 1mm^(2) . If for germanium n_(i)=2.5xx10^(19)m^(-3),mu_(h)=0.19 m^(2)//V-s,mu_(e)=0.39 m^(2)//V-s , then the resistance of the rod will be-

A potential difference of 2.5 V is applied across the faces of a germanium crystal plate. The face area of the crystal is 1 cm^(2) and its thickness is 1.0 mm . The free electron concentration in germanium is 2 xx 10^(19)m^(-3) and the electron and holes mobilities are 0.33m^(2)/V s and 0.17 m^(2)/V s respectively. The current across the plate will be

Mobilities of electrons and holes in a sample of intrinsic germanium at room temperature are 0.36 m^(2)//Vs and 0.17 m^(2)//Vs . The electron and hole densities are each equal to 2.5 xx 10^(19) m^(-3) . The electrical conductivity of germanium is.

Mobilities of electrons and holes in a sample of intrinsic germanium at room temperature are 0.36 m^(2)//Vs and 0.17 m^(2)//Vs . The electron and hole densities are each equal to 2.5 xx 10^(19) m^(-3) . The electrical conductivity of germanium is.

Mobilities of electorns and holes in a sample of intrinsic germanium at room temperature are 0.54m^(2)V^(-1)s^(-1) and 0.18m^(2)V^(-1)s^(-1) respectively. If the electron and hole densities are equal to 3.6xx10^(19)m^(-3) calculate the germanium conductivity.

Mobilities of electorns and holes in a sample of intrinsic germanium at room temperature are 0.54m^(2)V^(-1)s^(-1) and 0.18m^(2)V^(-1)s^(-1) respectively. If the electron and hole densities are equal to 3.6xx10^(19)m^(-3) calculate the germanium conductivity.