List of top Physics Questions on Conductivity-thermal and electrical asked in WBJEE

Consider a fuse wire of length \( l \) and radius \( r \). The time of heating (\( t \)) for passing the maximum current will depend on

The molar conductances of Ba(OH)$_2$, BaCl$_2$ and NH$_4$Cl at infinite dilution are 523.28, 280.0 and 129.8 S cm$^2$ mol$^{-1$ respectively. The molar conductance of NH$_4$OH at infinite dilution will be:}