Question

Why electric device works as soon as circuit is closed though drift velocity is low?​

Answer 1

Answer:

The information about beginning of the flow of current is transmitted through the propagation of electromagnetic waves and not with drift velocity of electrons. Hence, any electric appliance turns on almost instantly, when the switch is closed

Explanation:

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Answer 2

Explanation:

The information about beginning of the flow of current is transmitted through the propagation of electromagnetic waves and not with drift velocity of electrons. Hence, any electric appliance turns on almost instantly, when the switch is closed.