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Q7.(Page No.369, 18.9 Exercises, Problem No.3) The resistivity of a sample of germanium is 6.0 x 102 m. A cylinder of germanium 5.0 mm long and 0.50 mm in radius has a p.d. of 10 V applied across its ends. (a) What current passes through the specimen? (b) What is the current density (1/A) in the sample?

Q7.(Page No.369, 18.9 Exercises, Problem No.3) The resistivity of a sample of germanium is 6.0 x 102 m. A cylinder of germanium 5.0 mm long and 0.50 mm in radius has a p.d. of 10 V applied across its ends. (a) What current passes through the specimen? (b) What is the current density (1/A) in the sample?

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Q7.(Page No.369, 18.9 Exercises, Problem No.3) The resistivity of a sample of germanium is 6.0 x 10-2 m. A cylinder of germanium 5.0 mm long and 0.50 mm in radius has a p.d. of 10 V applied across its ends. (a) What current passes through the specimen? (b) What is the current density (1/A) in the sample?
Transcribed Image Text:Q7.(Page No.369, 18.9 Exercises, Problem No.3) The resistivity of a sample of germanium is 6.0 x 10-2 m. A cylinder of germanium 5.0 mm long and 0.50 mm in radius has a p.d. of 10 V applied across its ends. (a) What current passes through the specimen? (b) What is the current density (1/A) in the sample?
(c) What is the conductivity (1/p) of germanium? (d) What is the conductance (1/R) of this sample?
Transcribed Image Text:(c) What is the conductivity (1/p) of germanium? (d) What is the conductance (1/R) of this sample?
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