Resistance of a uniform metal wire of length 1 m and cross-sectional area 1 cm² is 10 Ω. Resistivity of the wire is

Which of the following is the resistance of the wire ?

Which one among the following statements regarding the electrical resistivity of a conducting wire is correct?

Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R). Assertion (A): Generally an alloy of lead and tin is used as a material of the fuse wire. Reason (R): All…

Reactance of a capacitor is

A heating filament and an ideal resistor of fixed value are connected in series with a DC voltage source. After some time, the filament has reached its operating point so that the current in the circ…