how was the telephone different from the telegraph?\nthe telephone allowed for instant communication over a…

how was the telephone different from the telegraph?\nthe telephone allowed for instant communication over a distance.\nthe telephone allowed for voice communication over a distance.\nthe telephone was generally used only in offices.\nthe telephone was generally used only by trained operators.

how was the telephone different from the telegraph?\nthe telephone allowed for instant communication over a distance.\nthe telephone allowed for voice communication over a distance.\nthe telephone was generally used only in offices.\nthe telephone was generally used only by trained operators.

Answer

Brief Explanations:

  • Analyze each option:
    • First option: Both telephone and telegraph allowed instant communication over distance, so this is incorrect.
    • Second option: Telegraph used coded messages (like Morse code), while telephone allowed voice communication over distance. This is a key difference.
    • Third option: Telephones were used in various settings, not just offices, so this is wrong.
    • Fourth option: Telephones could be used by ordinary people, while telegraph often required trained operators. So this is incorrect.

Answer:

B. The telephone allowed for voice communication over a distance.