A standard coil marked 2 is found to have a resistance of 2.118 at 300C.Calculate the
temperature at which the marking is correct. The temperature coefficient of the resistance of the
material of the coil is 0.00420C
-1
.
Answers
Answered by
0
Answer:
questions bhej dena eco friendly reminder ️ the
Explanation:
ok bskeehueveiene
Answered by
0
Answer:
nswer:2k290.
Explanation: t=300K=300−273=27∘C
R27=R0(1+α×27)
R27=R0(1+α×27)……(i)
∴3.115=R0(1+4.3×10−3×27) ....(i)
and 3=R0(1+4.2×10−3×t)…..(ii)
∴33.115=1+4.2×10−3×t1+4.2×10−3×27
On solving we get t=17.21∘C
=17.21×275=290.2K
pls mark as brainly list
Explanation:
Similar questions