A current of 2 A , passing through a conductor produces 80 J of heat in 10 seconds. The resistance o

Question

A current of 2 A , passing through a conductor produces 80 J of heat in 10 seconds. The resistance of the conductor in ohm is\

Professor PC Thomas Classes · Answer

(b) : $H=I^{2} R t$ or $R=\frac{H}{\left(I^{2} tight)}=\frac{80}{\left(2^{2} 	imes 10ight)}=2 \Omega$\