Thomas Davenport: Identify his notable electrical invention. Full question: What did Thomas Davenport invent? Choose the correct option.

Difficulty: Easy

Electric motor (direct-current)
Telegraph
Telephone
AC induction motor

Correct Answer: Electric motor (direct-current)

Explanation:

Given data

Person: Thomas Davenport, 19th-century American inventor.

Concept / Approach
Davenport built one of the earliest practical DC electric motors (1830s) and received a US patent for it, demonstrating rotary motion from electric current.

Option analysis
Electric motor (DC): Correct. Telegraph: Samuel Morse and others. Telephone: Alexander Graham Bell. AC induction motor: Nikola Tesla and later developments.

Final Answer
Electric motor (direct-current).

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