If E denotes electric field in a uniform conductor, I corresponding current through it, v d is drift velocity of electrons and P denotes thermal power produced in the conductor, then which of the foll

Question

If E denotes electric field in a uniform conductor, I corresponding current through it, v d is drift velocity of electrons and P denotes thermal power produced in the conductor, then which of the following graph is incorrect

TestHub · Accepted Answer

E = V l = I R l = I ρ l Al = n e A v d ρ l Al = n e v d ρ v d ∝ E straight line P = I 2 R = E l R 2 × R = E 2 l 2 ρ l × A ⇒ P ∝ E 2 P a r a b o l a P ∝ I 2 ( P a r a b o l a)

Physics - Current Electricity Question with Solution | TestHub

Options:

Doubts & Discussion