List of top Physics Questions on Resistance and Resistivity asked in TS POLYCET

The filament of an electric bulb is usually made of
The resistors 2\(\Omega\), 4\(\Omega\) and 6\(\Omega\) are connected in series. The equivalent resistance is:
The current in a wire depends on:
Which of the following is used in household circuits to prevent damages due to overloading?
SI unit of resistivity is