What happends to the drift velocity of electrons and to the resistance,if length of conductor is doubled keeping potential difference unchanged?

Establish the relation between drift velocity of electron and current density in metallic conductor.

Establish the relation between drift velocity of electron and current density in metallic conductor.

Resistance of 60 watt bulb connected with 220 volt potential difference

An electric cell of e.m.f E is connected across a copper wire of diameter d and length l. The drift velocity of electrons in the wire is v_(d) . If the length of the wire is changed to 2l, the new drift velocity of electrons in the copper wire will be

How the resistance of conductor depends on its length and area of cross-section ?

How does the resistance of a conductor depend on its length and cross sectional area?

The resistivity of a wire if its length be doubled-

What is the ressitance of conductor? What do you mean by 1 ohm resistance of conductor'?

The equal resistances, 400 Omega each are connected in series with a 8V battery. IF the resistance of first one increases by 0.5%, the charge required in the resistance of the second one in order to keep the potential difference across it unaltered is to

Explain the term drift velocity of electrons in a conductor.Hence obtain the expression for the current through a conductor in terms of drift velocity.