Latest KVPY Aptitude Question SOLUTION: A steady current I flows through a wire of radius r, length L and resistivity ρ. The current produced heat in the
wire. The rate of heat loss in a wire is proportional to its surf
A steady current I flows through a wire of radius r, length L and resistivity ρ. The current produced heat in the
wire. The rate of heat loss in a wire is proportional to its surface area. The steady temperature of the wire is
independent of–
(A) L (B) r (C) I (D) ρ