Question

answer thisone... plzz

Answer 1

Nichrome...
Hope helpful friend

Answer 2

Resistivity = AR/L

= A4/L

Hence material of wire is same so resistivity would be same.

Resistivity = AR/L

Now on putting Value

4A/L = 2AR/ L/2

4A/L = 4AR/L

Hence, R = 1 ohm


Thanks