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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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?
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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