Question

What are the factors upon which the amount of heat produced in a wire depends?
(i) Material
(ii) Length
(iii) Thickness

• A. Only (i) and (ii)
• B. Only (i) and (iii)
• C. (i), (ii) and (iii)
• D. Only (ii) and (iii)

Answer 1

The correct option is C (i), (ii) and (iii)

The amount of heat produced in a wire depends upon:
(i) material - better conductors produce less heat​​
(ii) length - as length increases heat produced increases
(iii) Thickness - as thickness increases heat produced decreases