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The drift velocity of electrons in a conducting wire is of the order of 1mm/s, yet the bulb glows very quickly after the switch is put on because

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An Intiative by Sri Chaitanya

he random speed of electrons is very high, of the order of 10⁶ m/

The electrons transfer their energy very quickly through collisions

Electric field is set up in the wire very quickly, producing a current through each cross section, almost intantaneousty

All of above

answer is C.

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Detailed Solution

When switch is on, the field is quickly set up in the wire and produce current through wire instantaneously.

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