Question
The world's first commercial telephone exchange was set up in 1878 in which city?
Option 2 : New Haven
Detailed Solution
सही उत्तर New Haven है।
The world's first commercial telephone exchange was set up in 1878 in New Haven, Connecticut, USA, with 21 subscribers. The first telephone exchange in India was set up in Kolkata in 1882.
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prepsnap.in • Domain SpecificQuestion:
The world's first commercial telephone exchange was set up in 1878 in which city?
Correct Answer: New Haven
The world's first commercial telephone exchange was set up in 1878 in New Haven, Connecticut, USA, with 21 subscribers. The first telephone exchange in India was set up in Kolkata in 1882.