The drift velocity of electrons in a conducting wire is of the order of 1 mm/s, yet the bulb glows very quickly after the switch is put on beauseA. The random speed of electons is very high, of the order of `10^(6)m//s`.B. The electrons transfer their energy very quickly through collisionsC. Electric field is set up in the wire very quickly, producing a current through each cross section, almost instantaneously.D. All of above

The drift velocity of electrons in a conducting wire is of the order o

1.	The drift velocity of electrons in a conducting wire is of the order of 1 mm/s, yet the bulb glows very quickly after the switch is put on beauseA. The random speed of electons is very high, of the order of `10^(6)m//s`.B. The electrons transfer their energy very quickly through collisionsC. Electric field is set up in the wire very quickly, producing a current through each cross section, almost instantaneously.D. All of above
Answer» Correct Answer - C

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