A wire bound standard resistor uses manganin or constantan. It is because
A. these alloys are cheap and easily available
B. they have high resistivity
C. they have low resistivity
D. they have resistivity which almost remains unchanged with temperature
Answer: Option D
This Question Belongs to Physics GK Chapter Wise >> Electricity And Magnetism
Related Questions on Electricity and Magnetism
What will be the total resistance of the three 20-Ω coils connected in series?
A. 40 Ω
B. 20 Ω
C. 60 Ω
D. 800 Ω
Superconductors are substances which
A. conduct electricity at lower temperature
B. offer high resistance to the flow of current
C. offer not resistance to the flow of current
D. conduct electricity at high temperature
Join The Discussion