Who is known for inventing the phonograph?

• Thomas Edison

• Nikola Tesla

• Alexander Graham Bell

• Guglielmo Marconi

Which inventor is associated with the development of alternating current (AC) electricity?

• Thomas Edison

• Nikola Tesla

• James Watt

• Michael Faraday

What was the primary advantage of Nikola Tesla's alternating current (AC) over Thomas Edison's direct current (DC)?

• AC was safer

• AC could be transmitted over longer distances

• AC was cheaper to produce

• AC was more environmentally friendly

Which of the following inventions is NOT attributed to Thomas Edison?

• Light bulb

• Motion picture camera

• Induction motor

• Electric power distribution

What was the 'War of Currents'?

• A conflict over the best type of electrical current

• A battle between Edison and Tesla over patents

• A disagreement over the use of electricity in warfare

• A competition to build the first power plant

Which of the following is a scientific concept demonstrated by Nikola Tesla's work?

• Electromagnetic induction

• Photoelectric effect

• Thermodynamics

• Quantum mechanics

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Thomas Edison held over 1,000 patents. Which of the following was one of his notable inventions?

• X-ray machine

• Electric pen

• Radio

• Television

What was Nikola Tesla's contribution to wireless technology?

• He invented the first radio

• He developed the Tesla coil

• He created the first wireless telegraph

• He discovered radio waves

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Which experiment demonstrated the feasibility of wireless power transmission?

• Edison's Menlo Park experiments

• Tesla's Wardenclyffe Tower

• Faraday's electromagnetic induction

• Marconi's radio transmission

What was the main reason Thomas Edison opposed alternating current (AC)?

• He believed it was dangerous

• He thought it was inefficient

• He had financial interests in DC

• He didn't understand the technology