Kaushalendra K. answered 06/02/20
Tutor
New to Wyzant
Intelligent Teacher
Resistance = Resistivity * length/Area.
Resistivity of Nichrome wire = 1.1 * 10-6 Ωm
SO resistance = (1.1 * 10-6 ) *20/0.01 = 0.0022 Ω