Question:
Q2 Two ribbons are given with the following particulars
Last updated: 6/10/2023
Q2 Two ribbons are given with the following particulars Ribbon Alloy Length m Width mm A Constantan 5 456 1 0 0 03 Negligible Thickness mm Temp coefficient of resistivity C Resistivity m 4 9 x 10 7 B Nichrome 4 235 2 0 0 06 Negligible 1 1 x 10 6 For a fixed voltage supply which of the two ribbons corresponds to a greater rate of heat production