Valdemar Poulsen - Quiz
A) Wiregraph B) Phonograph C) Radiophone D) Telegraphone
A) Vienna B) Copenhagen C) Paris D) Stockholm
A) University professor B) Supreme Court judge C) Inventor D) Engineer
A) University of Copenhagen B) Royal Institute of Technology C) University of Paris D) Technical University of Denmark
A) Crystal radio B) Poulsen arc C) Spark-gap transmitter D) Vacuum-tube transmitter
A) Rebekka Magdalene B) Peder Oluf Pedersen C) Franz Josef D) Jonas Nicolai
A) World's Fair in Chicago B) Exposition Universelle in Paris C) Copenhagen Technical Exhibition D) International Radio Conference
A) The President of France B) Peder Oluf Pedersen C) The King of Denmark D) Emperor Franz Josef of Austria
A) Poor sound quality B) Lack of electronic amplification C) Too much competition D) The invention was illegal
A) 1869 B) 1942 C) 1900 D) 1898
A) 1908 B) 1903 C) 1910 D) 1907
A) Lee de Forest B) Ernst Alexanderson C) William Duddell D) Einar Dessau
A) Nitrogen B) Hydrogen C) Helium D) Oxygen
A) Transverse magnetic field B) Longitudinal electric field C) Static gravitational field D) Variable thermal field
A) Vacuum tubes B) Mechanical switches C) Chemical batteries D) Spark-gap transmitters
A) Lyngby and Newcastle B) Ejerg and Lyngby C) Los Angeles and San Francisco D) Berlin and Copenhagen
A) 295 miles B) 145 miles C) 100 miles D) 215 miles
A) 100 kilowatts B) 5 kilowatts C) 3 kilowatts D) 12 kilowatts
A) Western Union B) Marconi Company C) General Electric D) Federal Telegraph Company
A) Amplitude modulation B) Pulse code modulation C) Frequency hopping D) Digital encryption
A) Einar Dessau B) William Duddell C) Lee de Forest D) Ernst Alexanderson
A) Arc transmitter B) Alexanderson alternator C) Spark-gap generator D) Audion tube
A) Late 1900s B) Early 1950s C) Early 1920s D) Mid 1930s
A) Shortwave transmitters B) Singing arcs C) Alexanderson alternators D) Spark-gap systems
A) 1894 B) 1907 C) 1942 D) 1923
A) 1942 B) 1907 C) 1921 D) 1923
A) Asta Stoltz Nielsen B) Christian Henrik Otto C) Peder Severin Krøyer D) Frederikke Marie Rasmussen
A) Physicist B) Engineer C) Geologist D) Artist
A) Copenhagen B) Frederiksborg C) Gentofte D) Leipzig
A) 1939 B) 1993 C) 1942 D) 1969
A) Frederiksborg Castle B) Gentofte Cemetery C) Landemærket 3 D) Leipzig University
A) Danish Academy of Technical Sciences B) Danish government C) Swedish Institute for Engineering Research D) Royal Danish Society for Science
A) 10 December B) 6 August C) 1 January D) 23 November
A) 1907 B) 1939 C) 1942 D) 1969
A) 1942 B) 1939 C) 1993 D) 2018
A) Landemærket 3 B) Frederiksborg Castle C) Gentofte Cemetery D) University of Leipzig
A) Poulsen's burial site B) Poulsen's wedding C) The location of his laboratory D) Poulsen's birthplace
A) 1904 B) 1942 C) 1043 D) 1969
A) 50th anniversary B) Centennial C) 149th anniversary D) 150th anniversary
A) 2018 B) 1969 C) 1942 D) 1907
A) 1 January 1969 B) 23 November 1939 C) 23 November 2018 D) 6 August 1942 |
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