16. Invention of Radio

Who is often credited with inventing the radio?

• Guglielmo Marconi

• Nikola Tesla

• Hans Christian Oersted

• Michael Faraday

Who discovered that an electric current created a magnetic field?

• Guglielmo Marconi

• Nikola Tesla

• Hans Christian Oersted

• Michael Faraday

Who discovered electromagnetic induction?

• Guglielmo Marconi

• Nikola Tesla

• Hans Christian Oersted

• Michael Faraday

Who discovered that moving magnets can make currents move through nearby wires?

• Guglielmo Marconi

• Nikola Tesla

• Hans Christian Oersted

• Michael Faraday

What is the name of the long-wavelength light that we know today as radio waves?

• Guglielmo Marconi

• Nikola Tesla

• Hans Christian Oersted

• Michael Faraday

Who passed alternating current through a big coil of wire in a version of his Tesla coils?

• Guglielmo Marconi

• Nikola Tesla

• Hans Christian Oersted

• Michael Faraday

What was Nikola Tesla's main interest in wireless technology?

• Wireless power

• Wireless communication

• Wireless telegraph

• Wireless boat

Who used his 'wireless telegraph' to send a message across the Atlantic Ocean in 1901?

• Guglielmo Marconi

• Nikola Tesla

• Hans Christian Oersted

• Michael Faraday