Ts Eamcet
Current Electricity
TS EAMCET 2022 (Online) 19th July Evening Shift
MCQ+1 / -02022
A cylindrical resistor of radius 7.0 mm and length 4.0 cm is made of material that has a resistivity of $10^{-6} \Omega-\mathrm{m}$. If the energy is dissipated at rate 1.54 W in the resistor, then the current density is