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A wire whose cross sectional area …

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A wire whose cross sectional area is increasing linearly from its one end to the other, is connected across a battery of v volts. Which of the following quantities remain constant in wire? a. Drift velocity. b. Current density. c. Electric current d. Electric field. Justify your answer.

Posted by Tanisha Rawat 6 years, 11 months ago

CBSE > Class 12 > Physics

2 answers

H!Mαη$Hμ Ұαδαυ ✔️ 6 years, 11 months ago

justification » a) v=qEζ/m which is independent of area b) j=nev c) I=neAv d) E=Vd

H!Mαη$Hμ Ұαδαυ ✔️ 6 years, 11 months ago

a) b) and d) will remain constant

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