Question

The electrical resistivity of four materials A, B, C and D is given below:

A – 7.84 x 10 -8 Ω m

B – 1.57 x 10 -8 Ω m

C – 2 x 10 15 Ω m

D – 12 x 10 -7 Ω m

Which material will you use for making:

(a) Heating element of electric iron​

Answer 1

Answer:

a) option is correct heating element of electric iron