List of top Physics Questions on Resistance asked in TS POLYCET

The S.I. unit of electrical resistance is

Formula for specific resistance is

Calculate the resultant resistance in the following circuit.

If area of cross section of a wire increases, while temperature and length are constant, then resistance of the wire

A bulb is marked 60 W and 240 V. Find the resistance in the bulb.

\(4 \Omega, 8 \Omega, R\) resistors are connected in series. Resultant resistance is \(20 \Omega\). Then \(R=?\)

Units for specific resistance

Which of the following materials has high value of specific resistance?