3 When potential difference across a given copper wire is

Last updated: 6/11/2023

3 When potential difference across a given copper wire is increased drift velocity of free electrons a Decreases b Increases c Remain same d Get reduced to Zero 4 Two wires of same material having radii in the ratio 1 2 carry currents in the ratio 4 1 The ratio of drift velocities of electrons in them is a 2 1 b 1 1 c 1 4 d 16 1